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Spirit Rover Begins Making Night Sky Observations

Nancy Atkinson writes "Even though the Spirit rover is stuck in loose soil on Mars, she has an overabundance of electrical power due to a wind event that cleaned off her solar panels. While MER scientists and engineers are having the rover take pictures of her surroundings in an effort to figure a way to get her dislodged, there also is enough power (since the rover isn't moving anywhere) to do something extra: keep the rover 'awake' at night and run her heaters so she can take images of the night sky on Mars. 'Certainly, a month or more ago, no one was considering astronomy with the rovers,' said Mark Lemmon, planetary scientist at Texas A&M University and member of the rover team. 'We thought that was done. With the dust cleanings, though, everyone thinks it is better to use the new found energy on night time science than to just burn it with heaters.'"

52 of 157 comments (clear)

  1. Girl rover by oneirophrenos · · Score: 3, Funny

    Who decided she was female?

    1. Re:Girl rover by corsec67 · · Score: 4, Insightful

      It is something that you could ride; wouldn't it be better to ride a female? /Going for a strictly funny mod with this comment. //Real reason is probably the same way that ships are referred to using feminine pronouns.

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    2. Re:Girl rover by tverbeek · · Score: 2, Funny

      Who decided she was female?

      She did, of course. Kind of like Chas Bono has decided he's not. Welcome to the 21st century. :)

      --
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    3. Re:Girl rover by fuzzyfuzzyfungus · · Score: 4, Funny

      Try: "The heteronormative, phallocentric discourse of the hegemonic western technocratic class."

      For extra credit, be sure to emphasize that said class's "dehumanizing ideology of technologically mediated science-as-dominance oppresses the many equally valid Traditional Ways of Knowing embraced by native martian culture".

    4. Re:Girl rover by RenderSeven · · Score: 4, Funny

      If it was a guy, clearly it wouldnt have gotten stuck. Would've had bigger mud tires and a hemi ...

    5. Re:Girl rover by saider · · Score: 3, Funny

      And naked lady mud flaps.

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    6. Re:Girl rover by BrightSpark · · Score: 3, Funny

      Because girls aren't easily turned on by nerdy scientists!

    7. Re:Girl rover by nametaken · · Score: 2, Funny

      Nor would it wait for NASA to send directions. Look at what that got her.

  2. Re:why aren't any of the rover pics ever worth a d by grub · · Score: 5, Insightful


    Then, when they DO image something interesting, like this Martin crinoid, they won't talk about it!

    If there really was to be a cover-up, wouldn't it be easier to just not release the smoking gun pictures rather than release and deny?

    .

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  3. Wind Event? by Noodlenose · · Score: 3, Insightful

    Is that what we mere mortals call a 'storm'?

    1. Re:Wind Event? by dintech · · Score: 2, Funny

      Less well scientifically endowed individuals might think that storm = rain, thunder and lightening as well as wind.

    2. Re:Wind Event? by ScentCone · · Score: 2, Funny

      Is that what we mere mortals call a 'storm'?

      What, are you trying to make some sort of humor event?

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    3. Re:Wind Event? by guruevi · · Score: 3, Funny

      Next time I'm under the covers with my wife and she asks where that smells come from, I can now say: a wind event.

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    4. Re:Wind Event? by weirdcrashingnoises · · Score: 3, Funny

      Less well scientifically endowed individuals might think that wind = farting.

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    5. Re:Wind Event? by dotancohen · · Score: 4, Insightful

      Storm implies rain, as other commenters have mentioned. However, this is more than just wind, it is is a phenomenon typical of Mars but rare on Earth: very small tornadoes. The Mars folks call these "dustdevils" as the appear and move similar to Taz. So "wind" is inappropriate, "storm" implies water, and "dustdevil" sounds weird to the layman. "Wind event" suffers none of the drawbacks, and the less-inquiring layman will not ask any more questions.

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    6. Re:Wind Event? by Anonymous Coward · · Score: 3, Informative

      You grew up somewhere nice didn't you? We call them Dust Devils here on earth too. And on the large flat deserts where I group up they are about as uncommon as clouds in Seattle.

      However, this does not detract from the point that night time observations would be cool. Seeing 3 or 4 dust devils 5-10 feet tall, all swirling Taz-like across the Martian landscape would be something to behold.

    7. Re:Wind Event? by Kompressor · · Score: 2, Informative
      --
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  4. Observe what? by ATestR · · Score: 5, Interesting

    At first glance, one might think that observation of the Martian night sky would return insignificant scientific data. After all, how powerful of a telescope does Spirit mount? Certainly not even in Hubble's league. But they aren't looking to collect data about distant galaxies & stars.

    The real value is information about the Martian atmosphere. By observing the "twinkle" of distant stars, the observations should return some useful information regarding night time atmospheric conditions. Maybe not as much as a dedicated purpose designed atmospheric station, but certainly more than we have now.

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    1. Re:Observe what? by Stenchwarrior · · Score: 5, Insightful
      From TFA:

      described Spirit's astronomy as "stone-knives and bear-skins backyard astronomyâ"but from Mars!"

      They may not get much useful information but you have to admit, doing Astronomy from a coffee-table sized robot while it sits stuck in sand on another planet 36 Million miles away IS pretty cool.

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    2. Re:Observe what? by BrightSpark · · Score: 2, Interesting

      Spot on. Tuly remarkable. Just as impressive is tracking Pioneer 10; a 2.7m wide hunk of shiny metal over 100 AU from the sun. I want to be at the finish line at Aldebaran in 2 million years. At least the champers will be cold :-) Of course, Voyager 1 is now all the go, because it is moving much faster than Pioneer 10, it is now the futherest man-made object at 108 AU. See here; http://www.absoluteastronomy.com/topics/Voyager_1 I wonder if people will remember Pioneer 10?

  5. Re:why aren't any of the rover pics ever worth a d by grub · · Score: 4, Informative


    Sure, it does to me too, but that doesn't make it one. Take the famous Mars face photos. It looks like a face, under the right conditions of lighting and shading, but is otherwise an unremarkable piece of Martian real estate.

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  6. nothing wrong with anthropomorphism by circletimessquare · · Score: 2, Interesting

    the human mind has many types of intelligence: spatial, social, emotional, etc.

    one of our most powerful is, in fact, our social intelligence. a rodent needs a good sense of smell to escape predators and find food. living in a social group, the biggest threat and reward for you comes not from the bushes: berries or fangs, but from your fellow humans: jealous potential murderer or coy potential mate

    therefore, you have this powerful cognition machine sitting in your head hewn from millenia of evolution in human groups. well, use it. there is nothing wrong with bringing your powerful social intelligence machinery to bear on nonsocial problems. think of it as using otherwise wasted cpu cycles on protein folding or finding mersenne primes: you "use" your social intelligence by imagining a math problem as a social setting (cue that famous scene from the russel crowe flick "a beautiful mind"), or reimagining your relationship as captain of a cruise ship and all its engineering problems as instead a relationship with a woman and all of the attendant problems that comes with that

    it is in fact, not some sort of weird mental trick i am referring to, it is in fact almost a subconcious and completely natural effort for most of us, this repurposing of social intelligence, since our social intelligence is probably our most potent form of intelligence. you look at clouds and bark on trees and stars in the sky and see faces and bodies, its effortless. this is because your mind is powerfully prejudiced and primed to process its world in terms of social cues and meanings first. yes, spatial intelligence is important for many things, like throwing a spear or building a hut. but none of that matters if you didn't see the backstabber in your hunting party or missed the social cues that the big man's daughter was interested in you. social intelligence is our most important form of intelligence: i am sure plenty of people can outrank barack obama on a traditional iq test. but iq tests test only certain forms of intelligence. barack obama's ability to recognize, manipulate, and use social networks to gain power (or any politician's such ability, its called charisma) is in fact a much more important form of iq than anything a traditional iq test reveals

    there is nothing wrong with anthropomorphism. it is entirely natural, and in fact, useful. in fact, if you see something wrong with anthropomorphism, all you are doing is denying a powerful aspect of your own intellect to come to bear on problems of interest to you. or perhaps you are in fact impoverished in your social intelligence abilities, and your anathema to anthropomorphism is just a symptom of your own poverty, not a valid comment on other people's lines of thinking

    so when the engineers and technicians talk about and react to events with the mars rovers in terms of a social relationship with another person, specifically, a woman ("she"), all they are doing is putting themselves in a frame of mind to maximize their intellectual abilities to process the issues that come up

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    1. Re:nothing wrong with anthropomorphism by Anonymous Coward · · Score: 2, Insightful

      Or perhaps they are just using the centuries-old nautical convention for giving craft of various kinds the female gender, which likely reached NASA from the navy.

      Don't overthink it. Boats have been 'she' for many centuries. It's only meant to engender respect and care.

  7. Amazing Engineering by deemen · · Score: 5, Insightful

    That this rover landed in 2004 with a planned mission of 90 Martian days and we're now in 2009 still amazes me. To keep these rovers functioning for that long is an engineering triumph. Even with equipment failures, dust storms, broken wheels etc. the engineers at NASA manage to make the best of these rovers and learn more about Mars. If we're lucky, the rovers will still be working when we land there, one day. It's nice to see such human ingenuity.

    1. Re:Amazing Engineering by sigmoid_balance · · Score: 3, Funny

      I wonder how long are the martians going to keep feeding us this data. They should be tired of this joke by now.

    2. Re:Amazing Engineering by Richard_at_work · · Score: 3, Insightful

      The problem is, people will expect this again and again, for the same or less money - when the next 90 day rover is planned, whats its budget going to be set at? The $500m that Spirit and Opportunity cost, or a fraction of that considering how 'overbuilt for the job' these two turned out to be?

      The overperforming of this mission could turn out to be a wolf in sheeps clothing. Be wary.

    3. Re:Amazing Engineering by msbmsb · · Score: 2

      Exactly, it's really a combination of engineering and fortune. If not for the fortunate wind storms these rovers would have frozen long ago, and if not for the good engineering, even with clean solar panels, the rovers would have broken/quit before now.

    4. Re:Amazing Engineering by Matje · · Score: 2, Insightful

      How is this a bad thing? If you can spend less to achieve your objective, why wouldn't you?

    5. Re:Amazing Engineering by Chris+Burke · · Score: 4, Insightful

      I'm wagering that designing a rover that you are certain is capable of running around Mars for 90 days would necessarily entail a degree of engineering that makes it at least theoretically capable of running around Mars for years. Everything that broke and they worked their way out of in the last few years could have happened on day 10. Thus redundancy, back-doors, and clever, robust engineering were the words, even for a short mission.

      The 90 day expected life was due to the expectation that the solar panels would get covered in dust, and that the Martian wind would be too slight to blow them off (and various panel cleaning devices were considered and rejected for reasoning as solid as the rest of the rover design). When that assumption was proven false, and the panels were kept clean enough to continue powering the rover, well, then the rover's "expected" life span goes way, way up.

      It's not like they said "Oh the mission will only be 90 days, we can design this axle so that it would snap on day 91" or "Hey, the controller code will fail with an out of memory exception on day 100, but we won't fix it or put in a back door to get new code in the rover because who cares if it dies on day 100?"

      So, yeah, yay for human ingenuity for sure, but that ingenuity was in there from the start and comparing the result to the 90 day expected life is a little misleading.

      --

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  8. Amazing what those little rovers can do by bignetbuy · · Score: 4, Insightful

    Such an amazing project, those little rovers are. With an planned life span of 90 days, they have now been running since...oh...2003? Wonderful work, NASA. Please keep the pictures and the science flowing. Can you imagine how long that data takes to get from Earth to Mars?

    Or what about the communication path from the rovers to NASA? They use the Mars Odyssey or Mars Global Surveyor. Check this out. The rovers have a 250kbps link to those satellites. Unreal. Even with the satellite use, the data still takes TEN minutes to get to Earth.

    This stuff is awesome. Just awesome.

    1. Re:Amazing what those little rovers can do by bignetbuy · · Score: 2, Interesting

      Good point. A 90 day guarantee...that has lasted 6+ years. Wish I could get the same for my next laptop.

  9. Phobos & Deimos by sznupi · · Score: 5, Interesting

    Please, please, please...make a photo of those two moons on night/twilight sky, with barely visible ground/horizon

    Ultimate romantic picture for all geeks throughout the world ;>

    --
    One that hath name thou can not otter
    1. Re:Phobos & Deimos by Anonymous Coward · · Score: 5, Informative

      I don't think it's going to look like you think it's going to look.

      Here a series of pictures taken by Spirit in 2005.

    2. Re:Phobos & Deimos by brock+bitumen · · Score: 5, Interesting
      that *would* be cool. don't think the Martian sky has a sight like that tho

      Put this in perspective, our moon, which is a fairly large night-sky (or daytime) feature, is about 1800km mean radius, (which is about a quarter the size of Earth, mind you, and we posses the largest natural satellite, relative to the planet, in the solar system), and, by the way it's about 385,000 km from earth on average, which is not very close, but it still appears quite large.

      However, Phobos, and Deimos, the two small moons possessed by Mars, are a paltry 11km and 6km in mean radius, respectively. The smaller moon, Deimos, is also farther away, and would appear no more than a small dot in the sky (day or night as it would happen to be). Phobos, by virtue of it's very close orbital distance, would have a shot at actually being recognized by a lay-Martian to be something special in the sky, but it would still appear quite small when compared to the grandeur of Luna.

      The photos from these pages depicting a solar transit ("eclipse") from the the surface of Mars, help provide a good metric for comprehending these relative sizes. Notice that neither moon is large enough to actually create an eclipse. Of course, on the surface of Mars, the Sun is slightly smaller than on the surface of Earth, but not by very much. Phobos' transit, Deimos' transit

      Finally, both of these on first glance appear to be nothing more than lumps of rock drifting through space, hardly anything to cherish on a romantic skyline like we do the way our perfectly curved Luna hangs. But maybe I'm just being ethnocentric....

  10. Sell the images to raise funding money. by InfinityWpi · · Score: 2, Interesting

    Seriously, who here wouldn't donate a few bucks to NASA in exchange for a "Night sky as seen from Mars Rover" desktop image?

    1. Re:Sell the images to raise funding money. by bignetbuy · · Score: 4, Informative

      *raises hand*
      Between the Martian pics, Hubble, and APOD (Astronomy Picture of the Day), we have enough pictures to last a lifetime...or at least until Microsoft starts charges us to change wallpaper. Hohoho.

  11. Re:Nautical tradition by Anonymous Coward · · Score: 5, Informative

    It's not just nautical tradition. In English, anything of "common" gender (i.e. persons unknown or groups of mixed gender) get masculine pronouns, while anything ordinarily neuter but "personified" gets feminine pronouns. There were some archaic examples of personification from neuter to the masculine gender, of which see Fowler's for details, but these mainly follow Latin gender categories; modern usage of the gender of personification favors the feminine, as far as I know, exclusively.

  12. You posted from "Angstrom Medal" Winner... by WED+Fan · · Score: 4, Insightful

    Good, F%&king god, man. Did you seriously post a link from Richard C. "Art Bell's Best Buddy" Hoagland, "winner" (read: purchaser) of the Angstrom Medal, science "advisor" to Walter Cronkite during the Apollo missions, Mister "Face On Mars", glass tunnels on Mars? Did you seriously post that tripe on this site?

    Do you believe:

    • Aliens have Elvis?
    • Alien craft are in storage in "Area "Boogidy Boogidy" 51"?
    • Aliens built the pyramids?
    • Atlantis is near Bermuda/Bahamas/Catalina?
    • The world will end on December 21, 2012?

    You do know that this is /. and not the "News of the World" site, right?

    --
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    1. Re:You posted from "Angstrom Medal" Winner... by Anonymous Coward · · Score: 3, Funny

      Just so we have a record of it, you're saying that's NOT a fossilized crinoid on Mars, right?

  13. Would be better to look for meteors by petes_PoV · · Score: 4, Interesting
    The pix of stars aren't very good.

    As the article says, they trail after a few seconds, since they can't track. So they can't take deeper images of fainter objects. Without the ability to track, they might as well point the camera straight up (or whereever) and check for meteors. Apart from getting information about how many strike the martian atmosphere, they could correlate counts with meteor showers on earth, to see how the same showers impact (or not) two planets at the same time - a unique opportunity.

    Also, a lot of metoers on earth at least, are fairly bright. So they might get quite a good hit-rate with their cam. Although I don't know what effect the thinner atmosphere would have. It would be interesting to see if the thinner atmosphere made meteors burn brighter (as they'd be slowed down by "air", less) or less bright, due to the lack of gases.

    --
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  14. Re:why aren't any of the rover pics ever worth a d by Anonymous Coward · · Score: 2, Interesting

    They don't take true color pictures because true color pictures are less useful to them. They can occasionally put something together that looks impressive to help spur public interest, but the instruments they put on sattelites and rovers are first and foremost there to get the information that scientists need and there's a lot more information available by looking outside the visible spectrum.

  15. picture of Earth by Ogive17 · · Score: 3, Interesting

    I think it would be interesting seeing a picture of Earth taken from Mars.. even if it was only a faint dot of light in the sky. I imagine the cameras could do this even if it isn't a great picture.

    --
    "Action without philosophy is a lethal weapon; philosophy without action is worthless."
    1. Re:picture of Earth by rainmaestro · · Score: 2, Informative

      Not from the Rover, but here's a pic from the old MGS craft:
      http://www.space.com/scienceastronomy/earth_from_mars_030522.html

      Even more impressive (to me, at least) is this snap from Voyager:
      http://www.space.com/scienceastronomy/astronomy/top10_images_010925-11.html

    2. Re:picture of Earth by unfasten · · Score: 3, Interesting

      I think you might be interested in the Pale Blue Dot picture (so named by Carl Sagan). It's a picture of earth taken by Voyager 1 from 3.7 billion miles away.

      More info: http://en.wikipedia.org/wiki/Pale_Blue_Dot

  16. Re:why aren't any of the rover pics ever worth a d by Pictish+Prince · · Score: 2

    Then, when they DO image something interesting, like this Martin crinoid, they won't talk about it! If there really was to be a cover-up, wouldn't it be easier to just not release the smoking gun pictures rather than release and deny? .

    The same reason the original post appeared on /. but was marked "Troll": Information is hard to control but relatively easy to discredit.

    --
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  17. That can't be right... by Rival · · Score: 2, Funny

    Did anyone else read this title as, "Sprint Rollover Begins Making Night Sky Observations"?

    I was thinking, "Now what? The phone companies won't let us use our rollover minutes after dusk? Sheesh."

  18. Re:how is it possible by Hognoxious · · Score: 4, Funny

    I doubt he read what you wrote. I didn't.

    --
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  19. Re:why aren't any of the rover pics ever worth a d by StarManta.Mini · · Score: 3, Informative

    If you're wondering why they don't make "true color" images, it's because "true" colors aren't scientifically useful. They choose the color filters very carefully to give them the most useful images for seeing certain things, not so that you can get "true color" pictures.

    But then I read the second part of your comment and realized nothing I say will be understood.

  20. Re:why aren't any of the rover pics ever worth a d by Tablizer · · Score: 2, Interesting

    and the pics are never, ever true colors. How come we can't get true color pics for our hundred million dollars?

    They have taken a few, especially earlier in the mission. But bandwidth to/from that far is expensive, so they do tend to limit the spectrum observed to "scientifically interesting" areas of the light spectrum. For one, the red and green detectors of the human eye are too close together wavelength-wise for Mars use. It may have been useful for finding ripe fruit in trees, but not for exploring Mars.

    Actually, they can approximate a human-eye view based on comparisons with earlier images, but I find the "scientifically enhanced" ones more interesting anyhow. You can see differences in rock types and dust types much more clearly.

    I do wish they put all the color panoramas together in one spot on the NASA web-site, with both the "real" approximation and the enhanced. (Perhaps they do, but I haven't found it yet.)
       

  21. Re:why aren't any of the rover pics ever worth a d by Tablizer · · Score: 3, Informative

    I forgot to mention that there is a book called "Postcards from Mars" that has some wonderful color images (true, approximate, and false color) from the rovers. It is a bit dated in that it doesn't include some of the newer places visited, but still a very nice coffee-table book.

    http://www.amazon.com/Postcards-Mars-First-Photographer-Planet/dp/0525949852/

    Sadly, the cameras are so dusty now that they cannot take very good panoramas anymore. However, I was wondering if they couldn't clean up the images because the dust fuzz should mostly be the same for any given sun angle. In other words, subtract out the known noise pattern. It would probably have to be done by an amateur because NASA doesn't have a lot of spare funds for that kind of activity. Panoramas involve dozens if not hundreds of smaller images. An amateur cleaned up some of the earlier Soviet Venus lander images, and did a bang-up job. He even made some discoveries of unknown detail partially hidden by haze.
         

  22. Re:Solar Panels by Ihlosi · · Score: 2, Insightful
    Where's that douche that insisted that solar panels don't need to be cleaned?

    Err. The rovers have been running for years now without any extra cleaning. That "douche" was probably more right than even he imagined.

    Also, would you like to tack on a few more million dollars to the project to develop a way to clean the solar panels? Add more weight to the whole thing that could be used for extra science, and another gizmo that might fail and disable the rover for good?