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Cutting Edge Tech Slated For Next Mars Rover

oxide7 writes "NASA is pushing the boundaries of technology as it readies its next mission to Mars, loading up its 4th Mars Rover with nearly a dozen instruments and deploying an innovative but risky landing procedure. Scientists and engineers were piecing together some of the final components to the new rover, dubbed Curiosity, on Saturday as it ramps up for a high-stakes launch in November."

143 comments

  1. Curiosity? by rockclimber · · Score: 1

    wonder if there is a cat at the landing site?

    1. Re:Curiosity? by Anonymous Coward · · Score: 0

      Well if there was there is no longer.

    2. Re:Curiosity? by lennier1 · · Score: 1

      ^^ Actually had to think of one of my favorite childhood shows before that cat came to mind:
      http://www.youtube.com/watch?v=EM2QVLVX5mc

    3. Re:Curiosity? by khallow · · Score: 2

      Who comes up with these names? These generic names that are alleged to be primary characteristics of the capitalist are just frickin' lame. Left out of the pool are Greed, Disparity, Externality, Exploitation...

      In other words, "Ambition", "Incentive", "Sacrifice", and "Reciprocity". Beats "stupidity". And before you ask, I'd rather have a martian probe called "Exploitation" than one called "Reciprocity".

    4. Re:Curiosity? by icebike · · Score: 1

      Mostly these names are suggested by school children.
      http://en.wikipedia.org/wiki/Mars_Exploration_Rover#Naming_of_Spirit_and_Opportunity

      So, no, we are not going back to naming after astronomers. We've essentially run out of those.

      But hey, carry on with YOUR major contribution to society, posting here on Slashdot.

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    5. Re:Curiosity? by Anonymous Coward · · Score: 0

      Those are all lame. They're just a lame as say, using names which describe characteristics of socialism, statism, or whatever other example of political economy that you can come up with.

    6. Re:Curiosity? by hedwards · · Score: 2

      They'd have fewer funding problems if they named them after GOP Reps.

    7. Re:Curiosity? by khallow · · Score: 1

      I dub your post "Equivocation". May it rove far.

    8. Re:Curiosity? by Anonymous Coward · · Score: 0

      Here, have a taste of my polysemous spunk, bitch!

    9. Re:Curiosity? by milkmage · · Score: 1

      "But hey, carry on with YOUR major contribution to society, posting here on Slashdot."

      and as Anonymous Coward nonetheless.

      wish I had mod points for you, dude.

    10. Re:Curiosity? by iggymanz · · Score: 1

      I notice the capitalists are leading mankind's exploration of space

    11. Re:Curiosity? by Anonymous Coward · · Score: 0

      I'm so glad for the encouragement, Sally. I began to wonder if my contributions were all for naught, but if someone of your ilk wants me to carry on, who am I to argue? ::smooches::, babe.

    12. Re:Curiosity? by Anonymous Coward · · Score: 0

      I notice the capitalists are leading mankind's exploration of space

      The Russians are currently the only ones capable of supplying the ISS and have put robots on the moon and probes on Mars.

      The Chinese are launching a Mars probe later this year.

      NASA have sent probes out of the solar system, man to the moon and robots to Mars.

      Some rich businessmen soon might get themselves into LEO.

      Yep, the capitalist businessmen are way ahead.

    13. Re:Curiosity? by Anonymous Coward · · Score: 0

      They'd have fewer funding problems if they named them after GOP Reps.

      They should be named after me, Anonymous Coward. More appropriate and far better than any Teabagging GOP reps.

    14. Re:Curiosity? by Z00L00K · · Score: 1

      And if so - is it named Pixel?

      --
      If builders built buildings the way programmers wrote programs, then the first woodpecker would destroy civilization.
    15. Re:Curiosity? by JamesP · · Score: 1

      I think they should add an iPhone app with in-App purchase, so that the people of Kootol have to go to Mars to sue it

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    16. Re:Curiosity? by Anonymous Coward · · Score: 0

      I was in France for a convention with a number of JPL people who were working on Curiosity. One of the scientists made a crack "It's a good thing there are no cats allowed on lab because there might be trouble". The Americans laughed of course. There were blank looks from the French people at the table though. The scientist, still chuckling, tried again "You know, curiosity killed the cat." More blank looks. Everyone else was laughing so hard (probably to much wine) but the French still didn't get it. One of them then expressed concern over why the rover would be used to kill cats. It turns out they don't have that particular idiom.

  2. Innovative but risky? by kmdrtako · · Score: 1

    From TFA: Parachute, followed by retro-rockets, then lowered by a tether.

    Yes, it's new. How do they measure how risky it is?

    1. Re:Innovative but risky? by RightwingNutjob · · Score: 1

      Risky = untested, unknown.

      If this method had a track record of success in some terrestrial application, then it would be new for a Mars mission, but would be perceived as less risky, because there would be less new science/design that would be required for it. Given that a rocket-powered skycrane has never been used over an extended period (at all?) in any terrestrial application, and that computer-controlled flying cranes are relatively new (anyone know of any deployed autonomous helicopter cranes?), it's fairly high risk because it's untested.

      That said, I can't think of a better way to land something heavy on Mars either, not without loading the rover down with extra weight.

    2. Re:Innovative but risky? by camperdave · · Score: 1

      Well, considering that Spirit and Opportunity use a Parachute-Retro-Tether-Airbag system and they did fine, I think the simpler Parachute-Retro-Tether system would be less risky.

      --
      When our name is on the back of your car, we're behind you all the way!
    3. Re:Innovative but risky? by milkmage · · Score: 2

      I think they'd prefer to go with airbags, but it's too heavy. My car doesn't weigh half that.. imagine hanging 2 cars from a "sky crane" powered by retros.. as it speeds towards the ground at 1000 mph. if one of the retros fails or the tether snaps, it's game over. compare that with: inflate bags @ a reasonable altitude and hope you don't hit a sharp rock.

      Spirit weighs 500 pounds. http://en.wikipedia.org/wiki/Spirit_rover

      Curiosity - FIVE TONS. "The five-ton mobile laboratory is slated to blast off onboard a United Launch Alliance Atlas V rocket between Nov 25 and Dec.18, embarking on a nearly 9 month journey."

      NASA nerds are so full of WIN! (no retros, but watch the drop test) http://www.nasa.gov/mission_pages/msl/building_curiosity.html

      Curiosity is the size of a truck.

    4. Re:Innovative but risky? by Anonymous Coward · · Score: 0

      Well, amount of points of failure times likeliness of failure. To get a feeling about the risk, that's enough.

      And this here has a lot more steps, hence a lot more points of failure. Of which most are untested. So the likeliness is also high.

      Simple.

    5. Re:Innovative but risky? by Lumpy · · Score: 1

      It's still 900X less risky than a full on Retrorocket landing like Viking.

      --
      Do not look at laser with remaining good eye.
    6. Re:Innovative but risky? by PJ6 · · Score: 1

      From TFA: Parachute, followed by retro-rockets, then lowered by a tether.

      Yes, it's new. How do they measure how risky it is?

      It's risky because it's overly complicated. The God of our race is named Murphy, and he has but one law.

      I bet the flyer will sail off to "safely" ditch 3 miles away from the landing site, with the rover still attached.

    7. Re:Innovative but risky? by khallow · · Score: 1

      Well, amount of points of failure times likeliness of failure.

      And consequences of failure. A failure which reduces the capability or extent of the mission to a degree is less serious than one that ends the mission at landing on Mars.

    8. Re:Innovative but risky? by JamesP · · Score: 1

      And still they did it.

      With very slow computers and very little memory

      Of course, if the Mars Atmosphere was thicker, they could have gone with a glider, parachute or something similar.

      --
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  3. Cutting edge? Now, maybe. by Anonymous Coward · · Score: 0

    Not so much when it gets there though, trips to Mars take a while.

    Oh well, at least the opportunity comes across fairly often. When's the next window to launch a probe to the Outer Planets?

  4. Curiosity? by Anonymous Coward · · Score: 0

    Who comes up with these names? These generic names that are alleged to be primary characteristics of the capitalist are just frickin' lame. Left out of the pool are Greed, Disparity, Externality, Exploitation... Can't we go back to using the names of famous astronomers, or other noteworthy scientists that have positively contributed to humanity's understanding of the universe? Even if their underlying motive for their accomplishment was in pursuit of financial self-interest that only had the side benefit of expanding our knowledge of the cosmos, at least, naming the spacecraft after them would be recognition and memorialization of their achievements.

  5. Why? by Jay+Tarbox · · Score: 1

    Why not deliver this rover the same way the other rovers were delivered?

    1. Re:Why? by amorsen · · Score: 2

      Why not deliver this rover the same way the other rovers were delivered?

      Because it would make a nice crater that way. Nature is not scale-free.

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      Finally! A year of moderation! Ready for 2019?
    2. Re:Why? by Anonymous Coward · · Score: 0

      It's way too big for the air-bag balloon landing they used before.

    3. Re:Why? by Anonymous Coward · · Score: 0

      Because this one is much bigger and heavier and apparently it doesn't work then.

    4. Re:Why? by ColdWetDog · · Score: 5, Informative

      Yes. There is a nice explanation at the Curiosity site (I think) that goes through the various thought processes but basically, IIRC

      - The payload AND landing zone requirements made the rubber ball bouncing technique not viable
      - The unload off a ramp technique that the current rovers use doesn't scale well and has the major problem of failure if it lands on anything other than reasonably flat terrain. This limited the science and the landing site too much.
      - The retrorocket system has been used by Viking and the current rovers
      - The skycrane approach has a number of major advantages in terms of terrain avoidance, design of the rover, and size of payload at the expense of complexity.

      The teams apparently felt that the risks were worth the benefits. Basically, they felt that unless the technology was pushed forward, the science packages would be too limited.

      It is rocket science after all.

      --
      Faster! Faster! Faster would be better!
    5. Re:Why? by Mitchell314 · · Score: 1

      This rover is about the size of a small car, so it is a wee bit harder to get onto the ground in one piece. Pics or it didn't happen? Here ye go: http://en.wikipedia.org/wiki/File:Mars_Science_Laboratory_wheels.jpg

      --
      I read TFA and all I got was this lousy cookie
    6. Re:Why? by oxide7 · · Score: 1

      The article said because this weighs multiples of the previous rovers. Also there is a lot more sensitive lab equipment inside, i would imagine

    7. Re:Why? by Nyeerrmm · · Score: 1

      Airbags scale by a factor of ~2.5 with mass. MSL is much larger than the MERs. Thus it can't be landed with airbags and fit on top of a launch vehicle.

      The skycrane, ridiculous as it may seem, is probably really the best way to get something the size of MSL to the ground. Whether or not they wouldn't have been better off selecting a couple of MER sized machines is a different question...

    8. Re:Why? by camperdave · · Score: 1

      Why not deliver this rover the same way the other rovers were delivered?

      They are delivering the rover the same way. They're just eliminating the "deploy the airbags and bounce around the planet for half an hour" part of the delivery, and are just placing the rover directly on the surface.

      --
      When our name is on the back of your car, we're behind you all the way!
    9. Re:Why? by khallow · · Score: 1

      Or they could have reused the MER platform and these wouldn't have been issues in the first place. My view is that they are putting the cart before the horse with missions that have so many costly development hurdles.

    10. Re:Why? by milkmage · · Score: 1

      why not RTFA?

      Because of its weight and sheer size, NASA cannot use the airbag padded rolling landing used for previous flights. Curiosity's landing will use a different method, lowering the rover on tethers from a rocket-backpack "sky crane."

    11. Re:Why? by ColdWetDog · · Score: 4, Interesting

      No they could not. The MER (Mars Exploration Rover - Opportunity and Spirit) system can't land heavy payloads in a narrowly defined landing zone. Using that system, you get a landing ellipse of about 100 km2 area restricted to a band about 40 degrees above and below the equator (IIRC). For many, many interesting targets, that isn't good enough. You are also constrained to payloads about the same size as the baby rovers.

      Yes, you can argue that the next step should be dozens of MER craft landed in many different zones. That is certainly a valid argument and one that has been made. However, according to the nice rocket scientists that have studied this for years (as opposed to us armchair astronauts who study things for 10 minutes max), it was felt that more significant research needed heavier payloads delivered with better accuracy.

      I think there should be enough money in NASA's budget to fund both concepts (and Venus landers and Titan blimps and on and on) but I'm just a taxpayer.

      --
      Faster! Faster! Faster would be better!
    12. Re:Why? by khallow · · Score: 3, Interesting

      The MER (Mars Exploration Rover - Opportunity and Spirit) system can't land heavy payloads in a narrowly defined landing zone.

      And it's worth noting that NASA doesn't have a need to land in a narrowly defined landing zone, at least one much more narrowly defined than the MER were already capable of landing in.

      That is certainly a valid argument and one that has been made. However, according to the nice rocket scientists that have studied this for years (as opposed to us armchair astronauts who study things for 10 minutes max), it was felt that more significant research needed heavier payloads delivered with better accuracy.

      I would feel the "need" for a couple of billion dollars too. Keep in mind that this is a rover with a fair bit of range, allegedly more than the MERs. Further, its target is the Gale Crater, which, according to Wikipedia, is almost 100 miles in diameter. You don't need a pin-point landing.

      As to "heavier instruments", It's worth noting that 8 or so MERs carry almost as much.

      Finally, we have to consider both the degree of risk, namely, this is a riskier mission than one using a proven vehicle, and the concentration of risk, namely, the eggs are all in one vehicle. It matters because NASA, due to the way it structures space science missions, only has a few slots going to Mars. Any accident sets them back by years since they don't have another vehicle deployed which overlaps with the mission's goals or capabilities.

      I don't need to be a rocket scientist to understand the problems with a mission approach.

    13. Re:Why? by Anonymous Coward · · Score: 0
    14. Re:Why? by JamesP · · Score: 1

      And it's worth noting that NASA doesn't have a need to land in a narrowly defined landing zone, at least one much more narrowly defined than the MER were already capable of landing in.

      Yeah, NASA doesn't know what they need...

      Remember, Opportunity drove 20Mi/30km in 7 years. If you miss your target by 10km, that's a lot of time you'll need.

      I would feel the "need" for a couple of billion dollars too. Keep in mind that this is a rover with a fair bit of range, allegedly more than the MERs. Further, its target is the Gale Crater, which, according to Wikipedia, is almost 100 miles in diameter. You don't need a pin-point landing.

      See point above. And you want to target the rim of the crater usually. That's where the interesting geological formations are.

      Finally, we have to consider both the degree of risk, namely, this is a riskier mission than one using a proven vehicle, and the concentration of risk, namely, the eggs are all in one vehicle. It matters because NASA, due to the way it structures space science missions, only has a few slots going to Mars. Any accident sets them back by years since they don't have another vehicle deployed which overlaps with the mission's goals or capabilities.

      Of course, that's why they're testing Curiosity to death. No one wants to see it fail. But there's so much you can do with an existing vehicle. Maybe they could launch 8 MERs with different instruments, but it's probably more work than it's worth. Less risky, sure, but maybe not so scientifically groundbreaking.

      And Curiosity is a needed exercise on landing heavier and heavier things on mars.

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    15. Re:Why? by Anonymous Coward · · Score: 0

      "Further, its target is the Gale Crater, which, according to Wikipedia, is almost 100 miles in diameter. You don't need a pin-point landing."

      It may be 100 miles in diameter, but it has a central mountain peak and steep sides. The zone that is "flat" is narrow enough that even though Gale Crater *was* in the short list for the previous MER rovers on scientific grounds, it was rejected by the engineers because they weren't confident they could land in it safely. They wanted to go there, but they didn't. I can't think of a clearer indication that the MER technology isn't up to the job for this site.

    16. Re:Why? by m50d · · Score: 1

      As to "heavier instruments", It's worth noting that 8 or so MERs carry almost as much.

      Huh? So what, you'd send one MER with a reflector and two more with big and small lenses, and together they'd form a big microscope? That's not how it works. You could try and build a bunch of specialized MER-sized vehicles with a different instrument each and have them cooperate, but getting them to align their instruments on the same target would be an absolute nightmare, and seeing the same part of the same rock in different spectra and with different tools is vastly more useful than getting one instrument's reading on each of several different rocks.

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    17. Re:Why? by PPH · · Score: 1

      Its too heavy for airbags. And the skycrane configuration has the advantage of a better view of thee terrain as it sets the rover down. Not to mention not kicking a bunch of crap up with retro rockets mounted on the rover and fouling its optics.

      --
      Have gnu, will travel.
    18. Re:Why? by tlhIngan · · Score: 1

      And Curiosity is a needed exercise on landing heavier and heavier things on mars.

      It's a step in the evolution of exploration on Mars.

      First was Sojourner, which was just shoebox sized - all it had to do was land and explore a bit to ensure things actually worked.

      Then came Spirit and Opportunity - which are much bigger rovers - think washing-macine or so sized. Again its purpose was to explore Mars and prove that things could work.

      Curiouslity is the largest of the lot (think SUV), and the old landing system wouldn't work anymore, but with all the science and knowledge gained from Sojourner, Spirit and Opportunity, NASA's reasonably confident that it'll be more successful than if we just sent Curiousity to begin with.

      Again, just a small stepping stone, but enough has been learned from Mars that something like Curiousity and its complexities could be built and have a reasonable chance of success. It still needs to be tested thoroughly (its mission will be far longer than 90 days), but we know what to expect now.

    19. Re:Why? by khallow · · Score: 1

      Yeah, NASA doesn't know what they need...

      Correction: You don't know what NASA needs. As I pointed out, it's a big crater, they don't need to be precise.

      Remember, Opportunity drove 20Mi/30km in 7 years. If you miss your target by 10km, that's a lot of time you'll need.

      No reason that a) they couldn't work on the delivery system for MER to be a bit more precise and b) no reason other than unfounded assertions from NASA that the MSL delivers any more precisely than a modified MER system would.

      Of course, that's why they're testing Curiosity to death. No one wants to see it fail. But there's so much you can do with an existing vehicle. Maybe they could launch 8 MERs with different instruments, but it's probably more work than it's worth. Less risky, sure, but maybe not so scientifically groundbreaking.

      I see that you completely miss the point. Existing vehicles need less testing. So sure, there's less you need to do with them! As to scientific output, I think observing eight locations on Mars at the same time would be more valuable scientifically than somewhat more study of one location. At this point, you aren't going to improve significantly the science from one location until you have sample return missions.

      We also ignore that the MER missions could have happened years ago. Once you landed the two rovers and drove them for a little bit, that was enough data to launch the next group.

      Looking at the timeline, they launched the MERs in June and July 2003. Then the rovers landed on Mars in January 2004. They could have made whatever changes were necessary to launch the next wave of MERs in 2004 and early 2005 and have them on Mars by 2006, six years ahead of MSL. So not only do we sacrifice reliability, coverage of the Martian surface, and scientific output, we also take a considerable hit due to the long pipeline for developing new missions.

      Now, MSL may be a stepping stone to a sample return mission which I think should be a priority for NASA. It's a good weight for a first time sample return mission. But I don't believe NASA knows or cares about the loss of scientific output that comes from its emphasis on technology development over science and exploration.

    20. Re:Why? by khallow · · Score: 1

      Sounds like the engineers fixed the problem. They could have just put the improvements on a MER vehicle rather than a MSL vehicle. I'm not advocating never changing a vehicle. But cautious modification of an existing vehicle will generally be less risky and have a shorter turnaround time than development of new vehicles.

    21. Re:Why? by khallow · · Score: 1

      I think there's little point to adding more instruments to a single vehicle. All you have to do is return a martian sample and then you have the instruments of the entire world, both present and future, to point at that location. No probe, no matter how loaded it is, can compete with that.

      My view is that a two tier system of light-weight rovers, such as the MERs which already exist, combined with a considerable number of sample return missions will be much more effective for all practical purposes than the current eccentric development approach.

    22. Re:Why? by JamesP · · Score: 1

      As I pointed out, it's a big crater, they don't need to be precise.

      Tell that to NASA. It's clear you know jack shit a) the size of the crater, b) where they need to be

      No reason that a) they couldn't work on the delivery system for MER to be a bit more precise and b) no reason other than unfounded assertions from NASA that the MSL delivers any more precisely than a modified MER system would.

      Tell that to NASA. Or to the engineers that build it. Surely a ./ commentator has more answers than them.

      I'm not bothering with the rest f your post. You have really shown you can't comprehend written words and that it's pointless to discuss with you.

      --
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    23. Re:Why? by khallow · · Score: 1

      Tell that to NASA. It's clear you know jack shit a) the size of the crater, b) where they need to be

      It's a bit late for that. However, I guess I need to point out that this is a game that NASA and other federal agencies have played for decades. They invent phony needs and get them funded. The discussion should have been from the beginning, how to get more for the money, not meeting some bogus "need" that someone cooked up in order to obtain more funding.

      Tell that to NASA. Or to the engineers that build it. Surely a ./ commentator has more answers than them.

      Too late for that. We'll just have to see if the MSL works or not.

      I'm not bothering with the rest f your post. You have really shown you can't comprehend written words and that it's pointless to discuss with you.

      You could always just look at the past history of NASA and see for yourself. They had a lot of choice what the mission would do and be like. It's disingenuous to, decade after decade, design the mission precisely so that past vehicles can't fulfill the mission and a new vehicle has to be cooked up each time.

      As I note elsewhere, they could have sent out 8, perhaps 10 (with learning curve effects) MERs for the cost of the MSL. Some benefits including being able to explore far more places than possible with a single vehicle, deploying years in advance (2006 instead of 2012), and in general just having a more active and useful science and exploration effort on Mars. The tradeoffs for that flashy tech are low scientific output, high mission risk, and overall a token program where, with the same level of funding, they could have had a much more serious program.

    24. Re:Why? by m50d · · Score: 1

      A sample return mission would require landing a much larger craft than this proposed rover. (Heck, I doubt you could land enough fuel in a 900kg payload to even reach martian orbit, and it's a whole lot further from there to earth, and I'm not sure the technology for docking two unmanned craft in martian orbit even exists). So if that's what you're aiming for, view this as an incremental step towards a sample return mission - it makes a lot of sense to increase the mass a bit at a time rather than trying to scale it up 100x in one go, and we can get some good science done in the meantime.

      --
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    25. Re:Why? by khallow · · Score: 1

      Heck, I doubt you could land enough fuel in a 900kg payload to even reach martian orbit, and it's a whole lot further from there to earth

      Actually, you could do it with a far smaller payload to Mars. The thing you need is sufficient mass fraction. There are probably sounding rockets on Earth which can fit in the above payload which can currently meet the minimum delta v for escape velocity from Mars. Then add in that you could extract propellant from the Martian atmosphere (meaning you eliminate the single biggest mass contribution to a return flight) and it's quite feasible with a 900 kg payload.

      Note here that I'm not complaining about building bigger and better probes, but about the cycle of building one or two vehicles then going on to the next big thing. There's no reuse of the vehicles themselves nor an overall plan.

      For example, they could have many more MERs on the surface of Mars right now. The next launch window after the first MERs was in early 2006. That's six years ahead of when MSL will get there and they could have had three generations of new MERs in the mean time. Then they could modify the MER so that it can collect samples. Then your sample return vehicle just needs to be the vehicle that returns the sample. It needs no ability to get samples or move around.

      So you'd launch the sample return vehicle and land it near some operating MERs or have MERs land near it, either way. If it's extract propellant from air, then have it do that grind, launch with the gathered samples, and return. Far less mission complexity than whatever NASA is currently planning because you would have part of what a sample return mission needs already moving around on Mars.

    26. Re:Why? by khallow · · Score: 1

      Since there was a lot of debate further on down the thread, I want to point out something important about the word "need" as it is used here. First, we don't need to explore Mars (even the intangibles which are often argued as being needed, such as inspiration to a generation of students, could be provided by cheaper, Earth-side sources). So fundamentally, there is no need.

      Second, NASA has complete control over the design and operation of missions aside from funding authority which resides with Congress. They choose what the mission needs and there's always the option to pick less ambitious missions, if a capability, which is required for the mission, is not developed.

      So there is no "need" of any sort, but rather "requirements". And NASA can always chose missions which have fewer or different requirements.

      Then add in that NASA has a history of inventing phony requirements for its missions in order to justify the tech development. MSL is merely the latest in a long line of "one-off" missions that had requirements that couldn't be met by the prior craft of the day.

      to be blunt, I don't believe that a landing in the Gale Crater required a precision beyond the MER or that the MSL was significantly better at precision landings than an upgraded MER would be. I just think that's a convenient fiction on the part of someone at NASA or the contractor for the space probe.

      As I see it, NASA has run its unmanned space program a lot like it has its manned space program. Certain fairly petty things, such as the funding of the contractors and supply chain for these probes, has taken precedence over what gets done, namely, the output of the missions.

      I think the US public really needs to think about what it wants from NASA and demand it. Merely, acquiescing to an expensive, unproductive project because NASA "needs" something (even though NASA could have chosen to "need" less) isn't going to get us into space or conduct serious exploration of other Solar System bodies.

  6. What could possibly go wrong here. by Trax3001BBS · · Score: 1

    Piece of cake.
    This is an incredible approach at landing if it works everybody involved should and would feel proud of their work.

    If it fails you'll never hear about it anymore.

    Galileo Spacecraft it's never publicly mentioned in relation to the Shoemaker-Levy 9 impact on Jupiter.
    Yet it had a front roll seat, it watched the impacts, the fact it's high gain antenna wouldn't deploy
    meant it couldn't send pictures back.

    I watched one of the Mars bots do it's beach ball landings, they keep saying "still rolling" until there was obvious
    problems in the faces of those involved; Once they figured the problem was due to doppler (Mars was going away from the earth)
    the rolling stopped, and it had landed.

    Good Luck NASA

    1. Re:What could possibly go wrong here. by maxwell+demon · · Score: 2

      If it fails you'll never hear about it anymore.

      Unless it fails for some stupid reason like some metric/US unit mismatch in the code ...

      --
      The Tao of math: The numbers you can count are not the real numbers.
  7. Re:What is the point? by Tr3vin · · Score: 4, Insightful

    For about 1% of what the Iraq War costs us each year, it doesn't seem all that bad.

  8. Re:What is the point? by Osgeld · · Score: 0

    I love the argument that the man is spending money elsewhere so it needs to be spent here too, its so circular

  9. Re:What is the point? by maxwell+demon · · Score: 3, Insightful

    That's not the argument. The argument is that it's just a negligible cost compared to other costs so if you want to save money you better start elsewhere.

    --
    The Tao of math: The numbers you can count are not the real numbers.
  10. Re:What is the point? by Anonymous Coward · · Score: 5, Insightful

    The money is all spent here on earth. It goes for salaries, parts, labor, design, engineering, fuel. Those who get the money spend their earnings for groceries, gas, house payments, cars, shoes and junk food. Those suppliers do the same with there earnings. They hire lawn care "engineers" , painters, babysitters, oh, and they buy all of the above as well.

    Somewhere along the line money gets to the burger flippers who could never understand economics 101, who post on Slashdot that everything they are not interested in is a waste of money.

     

  11. Re:What is the point? by Anonymous Coward · · Score: 0

    I agree. There is no life and you'd be stuck at the bottom of a gravity well with no fuel. Pretty stupid position to put yourself in.

    THE NEW PLAN:
    1)Go to asteroids.
    2)Move asteroids to orbit of Jupiter.
    3)Build space elevator to atmosphere of Jupiter using asteroids for building material.
    4)Pump hydrogen to storage facilities in orbit through pipelines installed in space elevator.
    5)Go anywhere you want after that because you've got fuel.

    Any questions?

  12. Phoenix 2 by cdxta · · Score: 1

    So the Phoenix 2 will have Firefox 9?

  13. Re:What is the point? by Kell+Bengal · · Score: 1

    I think the question is more one of "What do you get for the money you've spent?"
    A war sends men and material overseas and generally fewer come back than you sent; you might gain some political or diplomatic advantage, and that has to be judged against the cost. Space research sends men and rockets into space and generally fewer come back than you sent; you might gain some technological or scientific knowledge, and that has to be judged against the cost.

    --
    Scientists point out problems, engineers fix them
    altslashdot.org: The future of slashdot.
  14. Re:What is the point? by Nutria · · Score: 1

    2)Move asteroids to orbit of Jupiter.

    Easy-peasey no problem!!!

    3)Build space elevator to atmosphere of Jupiter using asteroids for building material.

    Even easier!!

    5)Go anywhere you want after that because you've got fuel.

    Any questions?

    Sure:
    1) Where do you get all the dense mass to protect you from hard cosmic radiation?
    2) How do you protect the elevator from all that crap whizzing around Jupiter?
    3) What do you build the ship with?
    4) How do you provision it, etc, etc, etc?

    The Earth and Sun just do too much that we take for granted, and stellar distances are just too great to be practical.

    --
    "I don't know, therefore Aliens" Wafflebox1
  15. Re:What is the point? by symbolset · · Score: 1

    1 Ceres is pretty much made of rocket fuel, so you can skip those other steps.

    --
    Help stamp out iliturcy.
  16. tech development versus science output by khallow · · Score: 1
    From this story:

    However, in February 2009, because of the late delivery of several critical components and instruments, NASA delayed the launch to a date between October and December 2011.

    This delay and the additional resources required to resolve the underlying technical issues increased the Project's development costs by 86 percent, from $969 million to the current $1.8 billion, and its life-cycle costs by 56 percent, from $1.6 billion to the current $2.5 billion.

    So roughly two thirds of the cost of the entire mission is in developing the technology and building one vehicle. One thing that is routinely ignored in discussions of space probes is the trade-off between cutting edge development and actual output of the space probe. For example, instead of building the Mars Science Laboratory and its gear, we could have sent around 8 Mars Expedition Rovers (the actual cost of building and launching a rover is somewhere around $300 million). You might not have gotten quite as nice a variety of scientific output for any given location as the MSL, but you'd get up to (counting the possibility of mission failures!) eight different locations and the risk per mission would be lower (since the MERs are proven tech).

    My view here is that technology development has taken over the business of NASA's space science division. Yes, you do need on occasion to develop new technology in order to explore. But these missions have somewhere around two-thirds the cost of the entire mission in developing and building new, unproven technology. Then if the mission succeeds, they'll go on to more new, unproven technology rather than use the platform further.

    Fifty years from now, what of this whole stream of technology development will still be useful? Will it be like NASA's atmospheric science of the past where decades down the road, some entrepreneur might come along and pick and choose from the pieces of debris (mostly reports) that remain?

    1. Re:tech development versus science output by Mitchell314 · · Score: 1

      All of the technology was new and unproven at some point. If you keep trying at it, it becomes less new and more tested. It's the nature of the game. Also, MER is not proven, it just happened to succeed twice. Don't get me wrong, they were excellent successes, but it's just 2 for 2.

      --
      I read TFA and all I got was this lousy cookie
    2. Re:tech development versus science output by Anonymous Coward · · Score: 0

      Oh come on. You guys are 14-16 trillion in debt, this is a drop in the bucket quite literally. This is NASA, R&D is its game, efficient ROI is not. Get a grip buddy.

    3. Re:tech development versus science output by khallow · · Score: 1

      Also, MER is not proven, it just happened to succeed twice.

      And you are inherently wrong here. Successes are in the engineering parlance, "proofs" of a technology. Two successes are vastly more than zero successes.

    4. Re:tech development versus science output by khallow · · Score: 1

      Oh come on. You guys are 14-16 trillion in debt, this is a drop in the bucket quite literally. This is NASA, R&D is its game, efficient ROI is not. Get a grip buddy.

      So it's ok to waste money on NASA because "we" are wasting it elsewhere? Any other fallacies you'd like to share with us?

    5. Re:tech development versus science output by Lumpy · · Score: 1

      "So it's ok to waste money on NASA because "we" are wasting it elsewhere? Any other fallacies you'd like to share with us?"

      Yup. your vote actually counts.

      Private corporations dont own politics.

      The tea party is really for preserving the rights of Americans.

      --
      Do not look at laser with remaining good eye.
    6. Re:tech development versus science output by Mitchell314 · · Score: 1

      Maybe you should brush up on basic statistics before calling others out on being wrong. It is feasible to have a experimental high success rate while having a low chance of individual success given that there are few enough trials. IOW you can't say with good certainty that any trial has a good success rate if you have too few previous trials to back it up, no matter their rate. TL;DR That's not proof.

      --
      I read TFA and all I got was this lousy cookie
    7. Re:tech development versus science output by khallow · · Score: 2

      Maybe you should brush up on basic statistics before calling others out on being wrong. It is feasible to have a experimental high success rate while having a low chance of individual success given that there are few enough trials. IOW you can't say with good certainty that any trial has a good success rate if you have too few previous trials to back it up, no matter their rate. TL;DR That's not proof.

      There are two things to remark on here. First, context indicates that the successes are more significant than you'd expect statistically. It is rather unlikely for aerospace failures to be in a certain range of likelihood. Usually things either fail with certainty or have a rather high success rate (at least 50%). That's just a rule of thumb, but borne out by a lot of aerospace history. So even one success of a very difficult mission profile (such as landing on Mars and deploying a rover for several years) is a significant piece of information beyond its intrinsic statistical content. We also need to consider that each success includes a variety of "near misses", almost failures that yield information which can reduce the likelihood of future failures without causing a failure.

      Second, NASA has formalized some engineering heuristics associated with this, namely, the "technology readiness level". The ratings range from TRL 0 for a technology that has only been yapped about on an internet forum to TRL 9 for a technology used for a real mission. The rationale (or perhaps risk model) for this ranking is because there are perceived to be substantial development risks that are associated with advancing levels and end with successful achievement of a level (this process is called "risk retirement"). This development risk is a large component of the costs I complain about.

      For example, the Mars Expedition Rovers are TRL 9 (they have been successfully used in a mission). While many of the systems on the Mars Science Laboratory are TRL 9, the overall system is TRL 6 (whole system has been tested on the ground in a "relevant environment", but no testing in a space environment). Significant work was needed just to get the MSL to TRL 6.

      NASA now attempts to jump the MSL to TRL 9. There might be all sorts of minor or major problems that will only show up once the vehicle is in the situation for the first time. The MER platform might have these problems (if the platform is modified enough so that it's very different from the original), but we have significant positive knowledge about its reliability and capabilities.

      Sure, the MSL could end up being less likely to fail than the MER, but I wouldn't expect it from a platform that hasn't been flown before versus one that has flown successfully twice.

    8. Re:tech development versus science output by Solandri · · Score: 1

      One thing that is routinely ignored in discussions of space probes is the trade-off between cutting edge development and actual output of the space probe. For example, instead of building the Mars Science Laboratory and its gear, we could have sent around 8 Mars Expedition Rovers (the actual cost of building and launching a rover is somewhere around $300 million). You might not have gotten quite as nice a variety of scientific output for any given location as the MSL, but you'd get up to (counting the possibility of mission failures!) eight different locations and the risk per mission would be lower (since the MERs are proven tech).

      My view here is that technology development has taken over the business of NASA's space science division. Yes, you do need on occasion to develop new technology in order to explore. But these missions have somewhere around two-thirds the cost of the entire mission in developing and building new, unproven technology. Then if the mission succeeds, they'll go on to more new, unproven technology rather than use the platform further.

      IMHO, that is the point of NASA - to push the envelope of technological development in order to more rapidly create new innovative research methods and technologies, not to rest on its laurels and build a sustainable business model. The whole reason it's taxpayer-funded is because we expect lots of failures and for its returns to never directly pay for the initial investment. Bear in mind that NASA started off as NACA, whose goal was to centralize fundamental aerospace research. That way all companies could benefit from it, instead of each company wasting money conducting duplicate research to push the forefront of aviation. NACA itself didn't profit from its research.

      Fifty years from now, what of this whole stream of technology development will still be useful? Will it be like NASA's atmospheric science of the past where decades down the road, some entrepreneur might come along and pick and choose from the pieces of debris (mostly reports) that remain?

      If you ask the scientists and engineers who were kids in the 1960s and 1970s why they chose their profession, I'd bet the vast majority would point to the space program and the moon landings. That's the intangible benefit of having a public program which is always on the cutting edge, rather than sitting safely behind it. And I would argue that's actually the primary goal of NASA. They shouldn't be promoting a specific scientific exploration, they should be promoting science and engineering in general.

      Look at what happened in the 1970s after the initial moon landings. The public lost interest in it. NASA scrapped the later moon landings and instead used the remaining Saturn V rockets to launch an orbiting space station - because it hadn't been done yet. Look at what happened in the 1980s and 1990s when space shuttle launches became routine. The public lost interest in it. For the vast majority of people, there was only one moon landing, one aborted moon landing, and only 3 shuttle launches - Hubble's repair mission, and the two in which we lost orbiters. NASA needs to constantly be doing new, innovative stuff in order to fulfill its mission of engaging the public and getting them interested in science and engineering.

    9. Re:tech development versus science output by JamesP · · Score: 1

      And that's what you get by only looking at numbers.

      Yes, MERs ARE PROOF the project/concept works. You only need ONE success for that.

      If the project wasn't good you would have ZERO successes, no matter how many times you tried.

      Of course, if it's a good success rate, sure, you would need more samples. Still, if it worked twice, the success rate is much higher than you assume.

      --
      how long until /. fixes commenting on Chrome?
    10. Re:tech development versus science output by khallow · · Score: 1

      IMHO, that is the point of NASA - to push the envelope of technological development in order to more rapidly create new innovative research methods and technologies, not to rest on its laurels and build a sustainable business model. The whole reason it's taxpayer-funded is because we expect lots of failures and for its returns to never directly pay for the initial investment. Bear in mind that NASA started off as NACA [wikipedia.org], whose goal was to centralize fundamental aerospace research. That way all companies could benefit from it, instead of each company wasting money conducting duplicate research to push the forefront of aviation. NACA itself didn't profit from its research.

      The point here is who is going to use this stuff when NASA moves on? A similar though much shorter tech development stretch happened leading up to the Apollo launch.

      In addition to the well-known manned aspect of Apollo and prior programs (Mercury and Gemini), we had several unmanned efforts including lunar orbiters and landers. In total, 21 unmanned space probes went to the Moon, to orbit it, collide with it, or gently land on it. While some of the unmanned stuff probably got used later on, it's still an astounding abandonment of a vast amount of technology.

      To be blunt, I think all we'll have left in fifty years of current NASA unmanned space efforts is a few pictures, some science data, a few CAD drawings, and some (possibly inaccessible) debris on other bodies in the Solar System. There's nothing sustainable or long term about the current efforts.

      NASA develops the technology and then abandons it in favor of the next big thing.

      Look at what happened in the 1970s after the initial moon landings. The public lost interest in it. NASA scrapped the later moon landings and instead used the remaining Saturn V rockets to launch an orbiting space station - because it hadn't been done yet. Look at what happened in the 1980s and 1990s when space shuttle launches became routine. The public lost interest in it. For the vast majority of people, there was only one moon landing, one aborted moon landing, and only 3 shuttle launches - Hubble's repair mission, and the two in which we lost orbiters. NASA needs to constantly be doing new, innovative stuff in order to fulfill its mission of engaging the public and getting them interested in science and engineering.

      In other words, if all you're doing is trying to attract fickle public interest, then you will eternally fail. Nobody builds a store or a factory because the act will inspire a generation of kids. They do so because they can make a profit from the resulting business. From the NASA point of view, these businesses are self-funding. They don't need annual petitions to Congress. They don't need to grab eyeballs.

      Bottom line is that NASA's primary goal should be the creation and growth of profitable business in space. There are a variety of ways in which it can be done, but for the unmanned space program the key one is "risk retirement". Namely, there are risks that are only present the first time something is tried. As I understand it, these are called "development risks". NASA does a poor job of eliminating development risks. For example, the following technologies have yet to be tried, nuclear propulsion (either nuclear electric or nuclear thermal), low gravity environment, long term station (manned or unmanned) anywhere outside of low Earth orbit, aerocapture, and unmanned sample return from anywhere other than the Moon and a couple of deep space missions.

      Nor does NASA do a good job of helping people find valuable stuff. The ISS is the only space-based research platform (no unmanned versions) right now and it's generally too costly and slow for many would-be applications. I'd also note that the research tends to be pretty light-weight for the money spent.

      If one goes through the possible space industries, they see plenty of disinterest from NASA. Space mi

  17. Vaporize rocks from 7 meters away? by Okian+Warrior · · Score: 1

    From the linked article: An instrument named ChemCam will use laser pulses to vaporize thin layers of material from Martian rocks or soil targets up to 7 meters (23 feet) away.

    I have this mental image of thousands of tiny terrified martians fleeing their homes after the "heat ray" vaporizes the town square.

    No-one would have believed, in the first years of the 21st century, that martian affairs were being watched from the timeless worlds of space. No one could have dreamed that we were being scrutinized as someone with a microscope studies creatures that swarm and multiply in a drop of water. Few martians even considered the possibility of life on other planets. And yet, across the gulf of space, minds immeasurably superior to ours regarded this planet with envious eyes, and slowly, and surely, they drew their plans against us.

    1. Re:Vaporize rocks from 7 meters away? by Anonymous Coward · · Score: 0

      From the linked article: An instrument named ChemCam will use laser pulses to vaporize thin layers of material from Martian rocks or soil targets up to 7 meters (23 feet) away.

      I have this mental image of thousands of tiny terrified martians fleeing their homes after the "heat ray" vaporizes the town square.

      Seconds before the sharks ate them! Surely the lasers are mounted on sharks, right?

    2. Re:Vaporize rocks from 7 meters away? by iggymanz · · Score: 1

      in the first years of the 21st century

      amazing! let's see, 2000 * 1.88 = about 3760 years ago, Martian Jesus was born!

    3. Re:Vaporize rocks from 7 meters away? by iggymanz · · Score: 1

      "except ye repent, ye shall all likewise perish *Illudium Q-36 Explosive Space Modulator!"

      Note: In some early scriptural texts, also referred to as the Pu-36"

    4. Re:Vaporize rocks from 7 meters away? by omi5cron · · Score: 1

      i immediately hear jeff wayne's war of the worlds! richard burton did a great job of narration...thanks for reawakening those chills down my spine.

  18. Dust by Russ1642 · · Score: 1

    Please tell me they have a way of getting dust off the solar panels. Every time I read about dust buildup on Spirit and Opportunity's solar panels causing problems all I could think of was why didn't they install some type of simple vibration mechanism or air jet or any number of possible solutions.

    1. Re:Dust by Anonymous Coward · · Score: 0

      Curiosity is powered by radioisotope, not solar panels.

    2. Re:Dust by rts008 · · Score: 2

      NASA has already explained this. It was not an oversight/mistake.
      The mission parameters only had a 90 day window.
      Why sacrifice weight, available space, and $$$ for features not needed for the job requirements.

      It's not like software, where added features above requirements adds value at little, to no cost.
      In this case, added features have a sever penalty to the requirements.

      --
      Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
    3. Re:Dust by Russ1642 · · Score: 1

      I've been reading more about MSL in the last few hours and I see that it doesn't use solar panels. Good. Not removing dust from the MER's solar panels was a mistake in hindsight. No question. They designed for a 90 d mission, but the mission changed. If every system had started to fail at the 90 d mark it really would have sucked, and they'd use the same tired excuse of "but we designed strictly to the mission parameters." It costs a fortune to send these to Mars so longevity is crucial, and the power source is absolutely critical to the mission. Got to think ahead and plan for a future change in the mission requirements - even after you've landed the thing.

    4. Re:Dust by ColdWetDog · · Score: 1

      Please tell me they have a way of getting dust off the solar panels. Every time I read about dust buildup on Spirit and Opportunity's solar panels causing problems all I could think of was why didn't they install some type of simple vibration mechanism or air jet or any number of possible solutions.

      Please tell me you have at least looked at the picture of the lander and realized it doesn't have any solar panels. Oh, wait, slap me. It's Slashdot....

      --
      Faster! Faster! Faster would be better!
    5. Re:Dust by Anonymous Coward · · Score: 0

      Curiosity wouldn't be using solar panels just for that reason: it would be using nuclear decay power source instead, as many other probes.

  19. Re:What is the point? by khallow · · Score: 1

    The argument is that it's just a negligible cost compared to other costs so if you want to save money you better start elsewhere.

    I think we're aware of what the argument is, the other poster was just putting the argument in the proper perspective.

  20. Re:What is the point? by Mindcontrolled · · Score: 0

    Well, that argument comes up because every single bloody time we spend some money on science, some dumb fuck inbred hick comes crawling out of the woods crying about how the ebil gubmint wastes the money it 'stole' from him by means of taxes. Oddly, the dumb fuck hicks never complain when said money is spent on wars against them ebil brown peoples.

    --
    Ubi solitudinem faciunt, pacem appellant.
  21. What about Rocks by Anonymous Coward · · Score: 1

    How are they going to manage if the tethering is right over a large boulder? Do they have software / radar to detect such things?

  22. RTFA, for a chance to actually learn something.... by rts008 · · Score: 4, Interesting

    They want to explore a crater, not make a new one.

    NASA engineers and 'rocket scientists' have already determined that the 5 ton rover is too heavy for that method.

    --
    Down With Slashdot BETA!!! I've been around the corner and seen the oliphant; you can only abuse me from your perspecti
  23. Re:What is the point? by Zorpheus · · Score: 1

    Yes, what will the hydrogen react with? How could it be used as a fuel?

  24. In memoriam of Spirit and Opporunity... by file_reaper · · Score: 1
  25. Why waste the time and money? by MacGyver2210 · · Score: 1

    So...why the fuck are we still shooting rovers to Mars? Why aren't we going ourselves yet? We've seen it, sampled it, measured and tested every aspect we can...it's time to pay the rock a fucking visit, not shoot more meters and probes at it.

    Pull your heads out of your asses, government, and send a fucking human being to Mars already.

    --
    If the only way you can accept an assertion is by faith, then you are conceding that it can't be taken on its own merits
    1. Re:Why waste the time and money? by Lumpy · · Score: 1

      Because we are more interested in policing the Middle east.

      --
      Do not look at laser with remaining good eye.
    2. Re:Why waste the time and money? by Anonymous Coward · · Score: 0

      Because contrary to what your post is titled, sending people to mars would be a waste of time and money. It's dangerous, complicated (unlike a person, a robot does not necessarily need to come back and it definitely doesn't need oxygen, food or water) and there's nothing a person could do on mars that a machine couldn't.

      Sending people to space is nothing but a massive publicity stunt. This is also one of the reasons why they killed the shuttle program. As much as it pains me to think that our astronauts are hitching rides with the Russians, it's still the right thing to do because the shuttle program was a massive waste of money compared to sending robots.

    3. Re:Why waste the time and money? by foniksonik · · Score: 1

      If by explore you mean that we've done the equivalent of exploring New York city by walking around LaGuardia airport. I guess the assumption is that Mars is pretty much the same terrain all over (excepting Olympus of course). I suspect this is not even close to true. Either way we aren't even close to the tech needed to send a human team to Mars (and back?).

      --
      A fool throws a stone into a well and a thousand sages can not remove it.
    4. Re:Why waste the time and money? by Anonymous Coward · · Score: 0

      Sending humans outside of the of the magnetosphere of earth is untested. Even the moon has magnetic properties that prevent ions to turn you into swiss cheese. This is the main problem about sending humans outside of these regions of space. We just haven't found a material that will not allow micro particles to pass through them and eventually the people in the craft.

    5. Re:Why waste the time and money? by Anonymous Coward · · Score: 0

      With there-and-back communication times of around 40 minutes, a remote controlled rover can take several days to analyse one rock. The pace at which science is done by rovers is staggeringly slow. In one martian day, a human geologist could replicate all the work done by surface rovers from the last three decades.

      Faster reactions by having meat-critters on site locally would allow science that a machine could not do. It would enable work in rougher terrain, such as on high mountains, deep valleys, or craters (geologically interesting areas). It allows you to work near changeable terrain, such as actively eroding cliffs (again, geologically interesting areas, and the kind of place where you would expect to find fossils if there were any to be found). Perhaps the best sites to visit that a robot would be unable to handle would be the poles, which combine both of these lovely hazards. The martian ice caps are only partly water ice, with a large component of carbon dioxide ice too. It's believed that the co2 ice is seasonal, subliming away as gas during the polar summer, leaving incredibly complex and broken cave systems that will be destroyed again by the next winter. There's nowhere like that on earth, it would be like nothing we've ever seen, and although yes it would be dangerous for a human, a robot would last about 30 seconds there before getting stuck.

      Sending humans is massively more expensive, but it is silly to claim that there's no benefit at all above what robots could do.

    6. Re:Why waste the time and money? by Anonymous Coward · · Score: 0

      Seen it, sampled it - sure. Tested every aspect? Certainly not. There is way, way more that we can learn about Mars using unmanned exploration probes and rovers. Not least about where to send humans!

      That said, when we decide to send humans is basically a matter of politics. It will be very, very expensive and it will be risky both from a technical and political point of view - not to mention for those humans that actually get to go there. I would like to see it happen, but a quick look a the US national debt seems to indicate that it won't happen anytime soon. The only reasonable way if for a global coalition like the ISS, but given the economic climate and to a certain extent lack of visions for technology and exploration that too doesn't seem very likely.

      So, for now, we probably have to be happy with what the rovers can tell us about Mars.

    7. Re:Why waste the time and money? by camperdave · · Score: 1

      Why not give the spacecraft a magnetosphere? The common fridge magnet has a stronger field than the Earth's, so a few well placed rare earth magnets should give the craft a sizable zone of protection.

      --
      When our name is on the back of your car, we're behind you all the way!
    8. Re:Why waste the time and money? by Anonymous Coward · · Score: 0

      You mean we're more interested in torturing people in the Middle east. /Abu-Ghraib

    9. Re:Why waste the time and money? by eriqk · · Score: 1

      So...why the fuck are we still shooting rovers to Mars? Why aren't we going ourselves yet? We've seen it, sampled it, measured and tested every aspect we can...it's time to pay the rock a fucking visit, not shoot more meters and probes at it.

      If we're going to send humans, it would be very nice to have a way of putting them there without turning the into human-puree. Sending a heavy vehicle is a way to find out more.
      And while it's there, it might as well do research.

    10. Re:Why waste the time and money? by Maritz · · Score: 1

      I'm no scientist but I suspect you're confusing intensity with strength. The Earth's magnetic field might be weak if you measure it at a specific spot but it deflects energized particles and cosmic rays over huge distances because it is so massive. Radiation, as an obstacle in manned outer space missions, is very much a non-trivial problem.

      --
      I do not want your cheap brainburning drugs. They are useless for work. And I am a working man today.
    11. Re:Why waste the time and money? by camperdave · · Score: 1

      I agree with you, however I couldn't find any references to how "massive" the Earth's magnetic field was, just that your average magnet is stronger.

      --
      When our name is on the back of your car, we're behind you all the way!
    12. Re:Why waste the time and money? by Maritz · · Score: 1

      Quite prepared to accept that. Also noticed I was using the word 'massive' in its colloquial sense rather than technical which is pretty wrong here. I don't think a magnetic field has mass ;)

      --
      I do not want your cheap brainburning drugs. They are useless for work. And I am a working man today.
  26. By the time that cutting edge tech gets to Mars by Anonymous Coward · · Score: 0

    It'll be sold at Costco.

  27. I hope Microsoft isn't involved. by Gravis+Zero · · Score: 1

    "It looks like you are trying to explore Mars. Would you like to explore Earth on Bing Maps?" - Clippy

    --
    Anons need not reply. Questions end with a question mark.
  28. Re:What is the point? by Lumpy · · Score: 2, Funny

    "1) Where do you get all the dense mass to protect you from hard cosmic radiation?
    2) How do you protect the elevator from all that crap whizzing around Jupiter?
    3) What do you build the ship with?
    4) How do you provision it, etc, etc, etc?"

    1 - Congress. It seems that the members of congress are so dense that grinding them up and using them as radiation shielding will work better than anything else we have here on the planet.

    2 - pass laws making it illegal.... DUH

    3 - Build it with illegal immigrants or outsource it's assembly to China or India.

    4 - Provisioning is a long term plan, you obviousally dont have a degree in business management. All that matters is how things look next quarter.

    --
    Do not look at laser with remaining good eye.
  29. Re:What is the point? by PopeRatzo · · Score: 4, Insightful

    I love the argument that the man is spending money elsewhere so it needs to be spent here too, its so circular

    But that's not the argument, Osgeld.

    With a mission to mars and these "cutting edge" technologies, there's at least a chance at something good, something really good coming out of it. The wars in Iraq and Afghanistan, not so much.

    Plus, there's the possibility that frontiers give a people a useful goal besides getting rich and famous. Once Americans realized that there wasn't going to be any more "going West", there seemed to set in a sad narcissism that has manifested itself in some very self-destructive behavior, privately and publicly. Having a frontier again might not be such a bad thing. And since it only costs a fraction of what the Iraq and Afghanistan wars are costing, not to mention the thousands upon thousands of human lives that are wasted - flushed down the crapper - for no reason beyond putting cash into the pockets of military contractors, having a Martian frontier, no matter how far off the benefits might be (but there will certainly be benefits) doesn't seem like such a bad idea.

    When I think about buying some new tech that might be useful to me, sometimes it helps to put its expense into perspective. And that perspective is often obtained through comparison with other things I spend money on. Like a new iPad is about the same cost as 20 bottles of Bombay gin. Or a Kurzweil PC3LE7 76 Key Semi weighted action Performance Controller & Workstation Keyboard is about the same cost as a trip to Vegas (rehab and course of penicillin not included).

    And in the future, I'd prefer if you didn't start a comment with "I love the argument..." when you clearly don't love the argument at all. It's not even good sarcasm, it just makes you sound small. Of course, you can do what you like, but I'm just putting you on notice that this is your first strike.

    --
    You are welcome on my lawn.
  30. Re:What is the point? by Nutria · · Score: 1

    Congress. It seems that the members of congress are so dense

    I thought they were full of hot air...

    Anyway, great post. +5 Insightful.

    --
    "I don't know, therefore Aliens" Wafflebox1
  31. Re:What is the point? by khallow · · Score: 1

    The money is all spent here on earth. It goes for salaries, parts, labor, design, engineering, fuel. Those who get the money spend their earnings for groceries, gas, house payments, cars, shoes and junk food. Those suppliers do the same with there earnings. They hire lawn care "engineers" , painters, babysitters, oh, and they buy all of the above as well.

    Somewhere along the line money gets to the burger flippers who could never understand economics 101, who post on Slashdot that everything they are not interested in is a waste of money.

    So why not just spend it all on me and cut out those middle men? I'll hire plenty of dudes so the employment angle is covered.

  32. Why name it Curiosity? by Trax3001BBS · · Score: 1
  33. Yeah, all we might miss are 1000 crickets... by gestalt_n_pepper · · Score: 1

    Will NASA *ever* put at least one sound sensor on probes they send into atmospheric environments? If they have done it, why is it never published?

    --
    Please do not read this sig. Thank you.
    1. Re:Yeah, all we might miss are 1000 crickets... by Zarhan · · Score: 1

      They do.

      Listen to the sounds of titan, recorded by Hyugens probe (fine, that was european, but piggybacked on Cassini).

      Mars Polar Lander also had one (although it crashed).

  34. Because of the waste of time and money! by Gorimek · · Score: 1

    Sending humans, fucking or not, would cost 100 or 1000 times as much as this alleged waste of money.

  35. Re:RTFA, for a chance to actually learn something. by camperdave · · Score: 3, Informative

    They want to explore a crater, not make a new one.

    NASA engineers and 'rocket scientists' have already determined that the 5 ton rover is too heavy for that method.

    I think you misunderstand me. People fixate on Curiosity's skycrane, and think that it's new and overly complicated. It's not new. Everybody seems to forget that Spirit and Opportunity ALSO used a similar Parachute-Retrorocket-Tether system. All they seem to remember is the airbag part of it. Spirit's and Opportunity's "skycranes" brought them to a hover in mid air and then cut them loose. They had to endure a drop equivalent to jumping off of a fourth floor balcony. This is why they needed the air bags.

    In contrast, Curiosity's "skycrane" is going to lower it gently to the ground, not drop it from 50 feet in the air. There's much less risk involved with Curiosity's landing than Spirit's or Opportunity's. So, given that the MERs not only survived their riskier skycrane descent, and plummet to the ground, but thrived, odds are high that Curiosity will do the same.

    --
    When our name is on the back of your car, we're behind you all the way!
  36. Space Truckin' by sysrammer · · Score: 1

    I notice the capitalists are leading mankind's exploration of space

    "The Russians are currently the only ones capable of supplying the ISS and have put robots on the moon and probes on Mars."

    Space Truckers. Gotta havem. Cut rate, too, yet with year's of experience.

    "The Chinese are launching a Mars probe later this year."

    Launch your own racist, political or sexual joke here.

    "NASA have sent probes out of the solar system, man to the moon and robots to Mars."

    Hard to argue with that.

    "Some rich businessmen soon might get themselves into LEO."

    Yep, let the rich ones subsidize it. Gets the money into circulation, gets the unit price down.

    "Yep, the capitalist businessmen are way ahead."

    Can't wait 'til the competition improves. The US needs something to charge it up.

    sr

    --
    His ignorance covered the whole earth like a blanket, and there was hardly a hole in it anywhere. - Mark Twain
  37. i don't understand by Anonymous Coward · · Score: 0

    shouldn't everything Nasa deploys have cutting edge technology on board?

    1. Re:i don't understand by Maritz · · Score: 1

      Surprisingly not..! A lot of NASA stuff (particularly computing gear) is a few generations behind cutting edge on account of all the reliability testing it goes through. I think the navigation computer on the shuttle was particularly archaic, the thinking being "if it ain't broke"... I imagine the materials, solar panels etc are always near enough the best around at the time of launch though.

      --
      I do not want your cheap brainburning drugs. They are useless for work. And I am a working man today.
  38. Landing sequence a little overly complicated? by justsayin · · Score: 1

    Someone at NASA been watching too many Terminator and or Alien movies. It truly breaks my heart to say this but it looks like this one just might crash and burn.

    1. Re:Landing sequence a little overly complicated? by camperdave · · Score: 1

      It's less complicated than the landing system that Spirit and Opportunity used, and they made it to Mars just fine.

      --
      When our name is on the back of your car, we're behind you all the way!
  39. windshield wipers by hesaigo999ca · · Score: 1

    Hey guys over at NASA, i hope you are reading this....here is what you need
    WINDSHIELD WIPERS.....to get the crap off the solar panels when it builds up......maybe add a special weight caliper that lets you know when some stuff is getting on the panel, then use the wiper to push it off......

    seriously.....

    also - please send another unit that has
                      a) booster cables (for boosting the old one and getting back another rover)
                      b) a broom, to wipe off the soot off the other rovers....
                      c) wide range metal detector, to help find the other mars rovers on the planet...
                     

    1. Re:windshield wipers by AC-x · · Score: 1

      I think you'll find the new rover is nuclear powered, not solar powered.

    2. Re:windshield wipers by hesaigo999ca · · Score: 1

      oh boy....here's is a drawing....
      1) send new rover with stuff to help old rover which is lost and/or with dead battery
      2) find rover
      3) boost rover and clean off solar panels of rover
      4) profit!

    3. Re:windshield wipers by m4rtink · · Score: 1

      I remember reading some reply from the designers to the issue of solar panel wipers. IIRC they thought about it but it would be too heavy, could scratch the panels and would have many moving components and motors that could easily break down. Also, it seems that Martian sand devils do the job just fine. :)

    4. Re:windshield wipers by hesaigo999ca · · Score: 1

      >Also, it seems that Martian sand devils do the job just fine
      Thats why we lost one with no hope of getting it back due to loss of power, ?

  40. Re:What is the point? by Anonymous Coward · · Score: 0

    Itself. Fusion.

  41. Re:What is the point? by khallow · · Score: 1

    With a mission to mars and these "cutting edge" technologies, there's at least a chance at something good, something really good coming out of it. The wars in Iraq and Afghanistan, not so much.

    To the contrary, the wars in Iraq and Afghanistan have provided benefits to the US such as the weakening of Al Qaeda, state support for Al Qaeda, and the removal of a vicious dictator. In return, we have two more fairly stable democracies in the Middle East. It might not be worth the price, but that same consideration holds for a Mars rover.

  42. Re:What is the point? by PopeRatzo · · Score: 1

    To the contrary, the wars in Iraq and Afghanistan have provided benefits to the US such as the weakening of Al Qaeda, state support for Al Qaeda, and the removal of a vicious dictator.

    Al Qaeda was never strong. In fact, there were NO Al Qaeda in Iraq before George W Bush invaded. Plus, there's zero evidence that Iraq ever was a "state sponsor" of Al Qaeda. And the removal of Saddam Hussein only served to make Iran a greater threat and by all accounts, nothing's gotten better in Iraq. They still don't have electricity to the levels they did under Saddam.

    And none of those things were worth the lives lost and the money spent. How many lives do you think will be lost sending rovers to Mars? The wars in Iraq and Afghanistan diminished us as a nation. Making Mars the new frontier will enhance us as a nation. We've done this kind of thing before and that's how it works. Little shitty wars make us less/Far frontiers make us more.

    --
    You are welcome on my lawn.
  43. Re:What is the point? by khallow · · Score: 1

    Al Qaeda was never strong.

    It was strong enough to kill three thousand people in the US. It was strong enough that it has a cushy defense contract with the Taliban. They were working on developing nuclear and other weapons of mass destruction. You don't act merely on the basis of the present strength of the foe, but also on a realistic appraisal of their future strength.

    And none of those things were worth the lives lost and the money spent. How many lives do you think will be lost sending rovers to Mars? The wars in Iraq and Afghanistan diminished us as a nation.

    That's your opinion (not that you have shown any understanding of what strengthens or diminishes a country in the past). But the valuation isn't shared by everyone. And like any industrial activity, lives are lost in the development and deployment of rovers to Mars.

  44. Re:What is the point? by PopeRatzo · · Score: 1

    It was strong enough to kill three thousand people in the US.

    Do you believe the wars in Iraq and Afghanistan made us safer from Al Qaeda?

    If so, we'll just have to disagree.

    And like any industrial activity, lives are lost in the development and deployment of rovers to Mars.

    Do you have any evidence to support this? And not all "industrial activities" require loss of life.

    --
    You are welcome on my lawn.
  45. Re:What is the point? by khallow · · Score: 1

    Do you believe the wars in Iraq and Afghanistan made us safer from Al Qaeda?

    Yes. Name an Al Qaeda attack on US soil since 9/11.

    Do you have any evidence to support this? And not all "industrial activities" require loss of life.

    Merely, anecdotes. Keep in mind that people work with rockets here, both building them and launching them. And they die on occasion. That's the most hazardous part of a space probe's life cycle.

  46. Re:What is the point? by Anonymous Coward · · Score: 0

    "Where do you...?"
    "How do you...?"
    "What do you...?"

    Obviously robotics plays a significant role in this scheme.

    Guys, this is the brass ring. More energy than anybody could waste until the end of the universe. Its ---- just ---- right ---- there. You can see it with a pair of binoculars. We are wasting our time and money perpetuating existing energy infrastructure.

    Once this unlimited energy source is productive we can do ANYTHING in our solar system. We will have the fuel to go anywhere and do anything we want.

    Esso brand hydrogen - put a tiger in your spaceship's tank!

  47. Re:What is the point? by PopeRatzo · · Score: 1

    Do you believe the wars in Iraq and Afghanistan made us safer from Al Qaeda?

    Yes. Name an Al Qaeda attack on US soil since 9/11.

    And you attribute the lack of Al Qaeda attacks on US soil since 9/11 to the war in Afghanistan?

    Personally, I attribute it to the fact that God is keeping us safe just to thwart the fondest dreams of Republicans that there will be an attack during Barack Obama's presidency. It must be a great disappointment to them that Obama's been able to keep us safe when George Bush was not.

    There is as much evidence for my theory of supernatural intervention than yours for the benefits of the war in Afghanistan.

    Or wait, do you believe it's the war in Iraq that has kept us safe?

    I'm sorry, friend, but I just can't talk to you about this subject any longer, since it's starting to depress me that there is actually an American voter who believes as you do. Until just now, I was pretty sure there were none.

    --
    You are welcome on my lawn.
  48. Re:What is the point? by khallow · · Score: 1

    I'm sorry, friend, but I just can't talk to you about this subject any longer, since it's starting to depress me that there is actually an American voter who believes as you do. Until just now, I was pretty sure there were none.

    I'm sorry, friend, but you've never been able to talk about this subject. Instead as in several other subjects, you've been able to babble irrationally about it such as the above post. Let's consider your statements:

    And you attribute the lack of Al Qaeda attacks on US soil since 9/11 to the war in Afghanistan?

    [...]

    Personally, I attribute it to the fact that God is keeping us safe just to thwart the fondest dreams of Republicans that there will be an attack during Barack Obama's presidency. It must be a great disappointment to them that Obama's been able to keep us safe when George Bush was not.

    Let's see here. We have not just a statement but a model. Suppose there is a paramilitary, "terrorist" organization with a power base in a country which openly supports the organization. Now, overthrow the country, wipe out the organization's power base there, and then kill off most of the organization's leadership while driving the rest into hiding.

    The model says this will disrupt the operation of the organization and weaken it. The mechanisms are 1) disruption of the command, control, and communication ("C3") infrastructure, 2) removal of resources the organization used to have to further its goals and operations, and 3) pushing the organization into a far more adverse climate where it is veryhazardous for both leadership and footsoldier to merely exist, much less do anything. That's why Al Qaeda terrorist attacks in the US and elsewhere have declined over the past ten years.

    You say this model is just as plausible as "God did it." As much as anything you've said, this demonstrates how your ideology has deeply compromised your ability to think and argue.

  49. Re:What is the point? by cusco · · Score: 1

    1) Did you not realize that asteroids are largely "dense mass", aka 'rock'. Five meters of lunar regolith was found to be sufficient to not only guard against radiation in space, but actually provide a lower daily radiation dose than you would normally receive wandering around the surface of Earth.

    2) You don't. You simply build your crawlers in such a manner that they continually rebuild the ribbon every pass.

    3) An asteroid. You're already living in it, now you just have to figure out how to move it around.

    4) Any deep space vehicle is going to have to be largely self-sustaining.

    Not that I actually agree with his proposal, I think it's far too simplistic (and the Jupiter mining is absolutely unnecessary), but your questions show a really abysmal ignorance about the topic. Perhaps YOU take solar insolation and a self-supporting ecosystem for granted, but I assure you that the people who are really interested in space operations do not.

    --
    "Think about how stupid the average person is. Now, realise that half of them are dumber than that." - George Carlin
  50. Re:What is the point? by Nutria · · Score: 1

    I assure you that the people who are really interested in space operations do not.

    It's all sci fi until someone figures out (a) how to harness nuclear fusion, and (b) use it to create a VASIMIR-like engine.

    --
    "I don't know, therefore Aliens" Wafflebox1