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NASA's Instrument For Detecting Life On Mars

Roland Piquepaille writes "With the financial help of NASA, American and European researchers have developed a new sensor to check for life on Mars. It should also be able to determine if traces of life's molecular building blocks have been produced by anything that was once alive. The device has been tested in the Atacama Desert in Chile. It should be part of the science payload for the ExoMars rover planned for launch in 2013."

88 comments

  1. Great! by ArcherB · · Score: 0, Troll

    NOW they invent something that can tell if life was ever there! Now we have to start all over.

    --
    There is no "I disagree" mod for a reason. Flamebait, Troll, and Overrated are not substitutes.
    1. Re:Great! by Anonymous Coward · · Score: 0

      Holy shit, people! Troll? It was a friggin' joke. Someone didn't take their meds today!

  2. I'm just wondering if NASA will rent this out by zappepcs · · Score: 3, Funny

    so we can take turns strolling it through the marketing department to detect if life was ever there... oh wait, that would be 'intelligent life'

    never mind

    1. Re:I'm just wondering if NASA will rent this out by Anonymous Coward · · Score: 0

      Still funny, every time.

  3. Is this the same as the UK sun detector? by EmbeddedJanitor · · Score: 5, Funny
    Many years ago ETI magazine has a circuit for a UK sunlight detector The output was claimed to go to 5 volts if sunshine was likely in the UK. If you looked at the circuit carefully, it was just a dead short that could only ever produce 0 volts.

    This device was also claimed to work as a Sahara rain detector.

    Perhaps NASA could use one as a Life On Mars detector too.

    --
    Engineering is the art of compromise.
  4. udk by mastershake_phd · · Score: 1

    We know a lot about chemistry here on Earth but I think we make a lot of assumptions about what is considered proof of life or liquid water. Unless we see cells dividing under a microscope we won't know anything for sure.

    1. Re:udk by Tablizer · · Score: 2, Interesting

      We know a lot about chemistry here on Earth but I think we make a lot of assumptions about what is considered proof of life or liquid water. Unless we see cells dividing under a microscope we won't know anything for sure.

      Based on the past record, I tend to agree. Mars keeps surprising us. Viking showed that soil chemistry makes life-detection difficult. Then questions popped up about Opportunity's seemingly strong "lake" evidence. And don't forget the "iron worms" in the Mars meteorite.

    2. Re:udk by cyclop · · Score: 2, Informative

      Yes, but you have to bet. And TFA refers mostly to aminoacids, and IMHO it is a good bet. Non-biogenic aminoacids are known to form in meteorites and are among the most common organic molecules that build up in prebiotic conditions. Aminoacid chirality is a strong indicator of life: having to deal with both chiral forms of a molecule would require to have a set of enzymes for each enantiomer (A non-specific enzyme wouldn't probably work, in particular for building a polymer like proteins or DNA: ordered structures like proteins are much easier to build by using only one enantiomer of a chiral building block.). From an evolutive point of view, choice of chirality just makes sense.

      Of course it is possible that anything weird happens over there, but we have to bet and check for what we look plausible first.

      --
      -- Patent no.123456: A way to personalize /. comments with a sig attached to the end.
  5. Meanwhile beneath the surface of Mars... by Mogster · · Score: 5, Funny

    The European Space Agency plans for the ExoMars rover to grind samples of Martian soil to fine powder and deliver them to a suite of analytical instruments, including Urey, that will search for signs of life. Each sample will be a spoonful of material dug from underground by a robotic drill. Meanwhile beneath the surface of Mars...

    "This is an emergency broadcast by the MBC. The city of Xrg'kht is being evacuted due to a strange mechanical object that has appeared from above. Citizens in it's path are being sucked into it and ground into dust. We urge everyone not to panic and quickly make your way to the outskirts of the city where you will be transported to safety. Message repeats... This is an ..."
    --
    ACK NAK RST
    1. Re:Meanwhile beneath the surface of Mars... by MichaelSmith · · Score: 1

      Meanwhile beneath the surface of Mars..

      I think they should go looking for the Bunny which hopped through the Opportunity landing site all those years ago.

    2. Re:Meanwhile beneath the surface of Mars... by AndroidCat · · Score: 2, Insightful

      No one could have dreamed we were being scrutinized, as someone with a microscope studies creatures that swarm and multiply in a drop of water. Few xen even considered the possibility of life on other planets and yet, across the gulf of space, minds immeasurably superior to ours regarded this Mars with envious eyes, and slowly and surely, they drew their plans against us.
      --
      One line blog. I hear that they're called Twitters now.
    3. Re:Meanwhile beneath the surface of Mars... by tijmentiming · · Score: 1

      Hey what with the Njál's saga in your sig? I just read it. It's awsome!

  6. ESA providing transport? by MichaelSmith · · Score: 3, Interesting

    The cruise phase and orbiter operations sound quite a bit like Cassini, so I have a good feeling about that. But the Europeans have never landed a vehicle on Mars. The Russians pulled it off once or twice but NASA is the only organisation which could deliver a payload to the surface with any certanty.

    I would be happier to see the science payload come from the ESA, and the vehicle from NASA. Seems a lot safer that way.

    1. Re:ESA providing transport? by SeaDour · · Score: 4, Funny

      You're absolutely right, NASA has never screwed up a Mars probe mission. Ever.

    2. Re:ESA providing transport? by ilovepolymorphism · · Score: 1

      Well there's a first time for everything....

    3. Re:ESA providing transport? by edwardpickman · · Score: 1

      Mars is a bit further away than the local Chemist Shop. It's extremely difficult to get to Mars and much harder yet to land on it safely. NASA still has the best record at pulling off an nearly impossible task. If it wasn't for the shuttle program NASA has an excellent record. Name another country or agency with half it's accomplishments. Only the Russian program is in their league and they still haven't landed a person on the moon let alone done it repeatedly without loosing anyone inflight. NASA has had it's failures but they have to be given credit for all the accomplishments. The Hubble alone is a staggering achievement.

    4. Re:ESA providing transport? by c6gunner · · Score: 2, Funny

      Congratulations, you managed to miss the point entirely! That deffinitely took talent.

      Let me put it this way; who would you trust with a multi-million dollar space mission:

      a) An organization which, through the process of trial and error, has landed several vehicles on Mars.

      or

      b) The kid next door with his scrap paper and crayons, yelling "WELP, I HAVEN'T FAILED YET!!".

    5. Re:ESA providing transport? by Karthikkito · · Score: 1
    6. Re:ESA providing transport? by c6gunner · · Score: 1

      What about it? I'm sure you've heard the phrase "close only counts with horseshoes and hand grenades". It's especially apt when you're thinking about spending millions of dollars on a project.

      Don't get me wrong, I'm not saying the ESA can't do the job, I'm just saying they don't have the experience or track record to make me comfortable. I'm also saying that pointing to past NASA mistakes is foolish, because failure is part of every testing process. And if YOU were the one fronting the money for the project, I can pretty much guarantee you'd chose NASA over the ESA.

    7. Re:ESA providing transport? by denoir · · Score: 1

      But the Europeans have never landed a vehicle on Mars.
      Nonsense! Beagle 2..um..landed on Mars. It just took a long vacation. European labour regulations, you know.
    8. Re:ESA providing transport? by Karthikkito · · Score: 1

      If I was fronting the money, then yes, I'd choose NASA -- but that's coming from me as an American citizen and someone who's spent some time working there. That said, if I was in Europe funding a scientific mission, I'd want the ESA to launch it. Virtually all funds for science missions come from governments, and I doubt that a German government grant office would be thrilled to see money being sent off to improve NASA's launch capability while cutting ESA's launch services out of the picture.

      There IS a lot of politics involved in such a decision, but it's rarely good in science (or much else, for that matter) to have the entire worldwide capability in one single organization controlled heavily by politicians.

    9. Re:ESA providing transport? by N3wsByt3 · · Score: 1

      Yes, ok, but that's a non-argument, because you could say that of anything.

      Then NASA shouldn't have built probes or send humans into space in the 60ies, because their track-record wasn't any good neither. It were the Russians back then which had the experience, so if they followed your reasoning, they should have had the russians do the job, and Nasa should have provided something they were better in, during that time...say, computers.

      You can't have a comfortable track record, if you never try out the track. Say, this succeeds. And the next 10 probes of ESA have a high succes too. Well then, what should budding space-nations like India and China say: well, we'd better leave it too the USA and EU, because they have a better track-record? This is extremely unlikely - perhaps even foolish - and you know it. The track-record for any deep-space mission of the ESA was zero, before 1986. that track-record has steadily been improved upon, *thanks to sending probes*. If we wouldn't have made the effort to send them, it would still be zero today, obviously. Furthermore, you can't have an independent space-program if you're dependent on others to send probes.

      "I'm also saying that pointing to past NASA mistakes is foolish, because failure is part of every testing process."

      That's the same for ESA. That's exactly why we DO have to try and send probes; it's by trying that we get that 'good record'.

      "And if YOU were the one fronting the money for the project, I can pretty much guarantee you'd chose NASA over the ESA."

      This argument is spurious. The money is from the State (or States), and since (for the ESA), it are european countries who cough up the money, obviously, they want a strong EU space-program with all the possibilities open to them. As far as I'm being taxed for it, I'm quite content that part of my taxes will be used for ESA sending probes.

      I'm really a bit baffled by your kind of reasoning. If we actually (had) followed that, we wouldn't even have a decent launcher today, like Ariane, because we were way behind russia and the usa back then, and our first rockets completely sucked. Should we have said: "oh, well, they have a better record, let's just supply them with some parts, and continue use their foreign rockets"? In that case, we wouldn't stand where we stand today, with Arianespace holding more than 50 percent of the world market for boosting satellites to geostationary transfer orbit. It is exactly by pursuing those difficult tasks that you *can* master them.

      --
      --- "To pee or not to pee, that is the question." ---
    10. Re:ESA providing transport? by c6gunner · · Score: 1

      The question is, "what are your priorities". If the people putting this thing together think it's worth risking mission success in order to give the ESA more experience, then certainly they should have the ESA do the mission. If, on the other hand, landing a package on mars is the most important aspect of the mission, they should go with NASA. It's all about priorities. And the rest of your argument is totally inapplicable, simply because you're seeing things in my comments that simply aren't there.

    11. Re:ESA providing transport? by N3wsByt3 · · Score: 1

      "The question is, "what are your priorities". If the people putting this thing together think it's worth risking mission success in order to give the ESA more experience, then certainly they should have the ESA do the mission. If, on the other hand, landing a package on mars is the most important aspect of the mission, they should go with NASA."

      Obviously, it's a part of both. One should be careful to not make a false dillema out of it (it's OR NASA and succeeding, OR ESA and gaining more experience). I would claim it's perfectly possible to have succes AND provide ESA more experience. It's *always* going to be a mix of priorities, and a huge chunk of that will always be to master new techniques and improve ones' track record, even if it's risky. I mean, you can see that with any single country (or group of countries) which is capable of spaceflight; they *ALL* want to be able to be independend, they *all* want to be able to launch their own probes with their own rockets. This is even true for countries like China and India (and even brazille has those aspirations).

      Of course, that doesn't mean those countries will also not be including support in spacemissions or probes from other countries, but it does mean the priorities of space-agencies and countries are pretty much clear (and universal) in this regard: one always strives for independend space-capabilities too.

      "It's all about priorities. And the rest of your argument is totally inapplicable, simply because you're seeing things in my comments that simply aren't there."

      Well, maybe I did, but I thought I concentrated on your (as I perceived it) viewpoint *we* shouldn't send probes to Mars, because NASA has a better record at it then we. If the same argumentation was applied consistently, such a reasoning would amount to the things I said in my earlier post. Of course, I might be mistaken in that perceived claim, and maybe you weren't alluding to the fact that NASA should rather be trusted with a multi-million dollar space mission instead of ESA, due to their better track-record (?).

      If you were, however, then my analogies are correct.

      --
      --- "To pee or not to pee, that is the question." ---
  7. Why? by Anonymous Coward · · Score: 0

    Can't they just use a tricorder?

    1. Re:Why? by Tablizer · · Score: 1

      Can't they just use a tricorder?

      They are only good for finding Romulan spies, dead Tribbles, and salt suckers.

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

      ...And showing newspaper headlines through time back to the depression-era. Oh, but you need to use stone knives and bearskins, too.

      --
      -- Posted from my parent's basement
  8. Re:If you fail on Earth, try another planet by Anonymous Coward · · Score: 0

    Well I know if they were building a strawman detector, it would be exploding right about now.

  9. So, by Anonymous Coward · · Score: 4, Funny

    Do we now know whether there was life in the Atacama Desert in Chile?

  10. Re:I've been wondering... by Anonymous Coward · · Score: 0

    Come on, this is the least successful troll going right now. No one cares anymore. You've got to change it up a little if you hope to stir the pot, otherwise you risk turning into the markov chain guy.

  11. They could be looking for the wrong clues...! by bogaboga · · Score: 0, Redundant
    Those scientists could be looking for the wrong clues, and here's why I think so:

    Who tells them that life on Mars is similar to life on earth? You could find that "life" on Mars is based on an entirely different system not similar to that on earth.

    I'd like them to modify their finding to some thing like..."Scientists develop tools to detect life similar to Earth's life on Mars."

    1. Re:They could be looking for the wrong clues...! by biocute · · Score: 1

      I used to ask the very same question as well -- It's no wonder we can't find life elsewhere because we didn't know other ways to identify a life form.

      This also reminds me of an article (of which escaped me for the moment), where Captain Something (Cook?) came to this newly discovered island and the occupants simply ignored or missed the entire fleet of exploring ships (ie they didn't reacted to this giant wooden creature floating on water), because "Ship" simply didn't register in their mind at all.

      However, after spending a couple of years asking myself the identification of life form, I have simply concluded that we probably shall stick to what we know, and other kind of life forms might exist, but are less important to us because their 'form', thinking, perception etc will be so different that human would never be able to do anything useful with this new life form anyway.

    2. Re:They could be looking for the wrong clues...! by fyngyrz · · Score: 1
      I'd like them to modify their finding to some thing like..."Scientists develop tools to detect life similar to Earth's life on Mars."

      That's precisely on the mark. It isn't that we should not be looking for life that is similar, since we know that such life has developed under some circumstances, and that's all we know, but finding none of the above is in no way definitive with regard to declaring Mars, or any other planet, "lifeless" — but when the generalization is mis-stated as you have pointed out, that leads the mind down the wrong road.

      --
      I've fallen off your lawn, and I can't get up.
    3. Re:They could be looking for the wrong clues...! by Anonymous Coward · · Score: 1, Interesting

      Chirality is the main thing to look for. For a molecule like Carbon, there are four binding sites (which are arranged like a pyramid, if each is bonded to different atom.) So, there is one degree of freedom, whereby a carbon-based molecule can be D-chiral or L-chiral. When synthesized abiotically, half are D- and half are L-. But on earth, living things' proteins are all L-chiral and their sugars are almost all D-chiral. There is no reason why one is L- or D-, just that's how our biology works. On Mars maybe there are no proteins or sugars, but rather some other biomolecules. But whatever there is, if it is from living things, it surely will be a specific chirality.

    4. Re:They could be looking for the wrong clues...! by Anonymous Coward · · Score: 0

      Please propose how you would get life out of chemicals other than the ones used in earth bound life (which just happen to be the most common ones in the universe, helium excepted). carbon hydrogen oxygen nitrogen. Life is complicated chemistry, nothing more. Chemistry is universal. To achieve the complexity needed for life you are going to have a hard time doing it with anything other than carbon. Mars is more than likely lifeless. Life is obvious for the most part.

    5. Re:They could be looking for the wrong clues...! by fyngyrz · · Score: 1
      Please propose how you would get life out of chemicals other than the ones used in earth bound life

      Silicon life is most likely only a few years to a few decades away here. It won't be an evolved life, but there is no reason it can't be set up as a complete life cycle. Life implies reproduction, and presumes some energy-based interaction with the environment. We'll have something far more sophisticated than a plant, and far more interesting as well. So that's an example of primarily silicon based life.

      Engineered life may use all manner of chemicals to create the engine, as it were. The idea that carbon-based life is the only possibility is simple hubris. However, I wasn't saying that we should have an active search program for something which we cannot define; I was simply saying that it is misleading and counterproductive to consider life as being only "like us."

      To achieve the complexity needed for life you are going to have a hard time doing it with anything other than carbon.

      It has taken us less than a hundred years of fooling with silicon to develop the theories behind artificial life based upon it. Others may have done the same with other technologies. Nature managed to cobble together DNA and turn it into something, or allow it to turn itself into something, in spite of apparently long odds against the start. I think your "this is all that can be" attitude isn't justified by what we've learned so far.

      You are, of course, entitled to your opinion. Anonymous and cowardly thought it might be. :-)

      --
      I've fallen off your lawn, and I can't get up.
  12. Great news. by Seumas · · Score: 0, Troll

    This is excellent news, because we're running out of people to kill on our own planet. I can't wait to see who our next enemy is. Maybe we can even enslave the ones we don't nuke the shit out of!

    1. Re:Great news. by Mogster · · Score: 1

      Providing they don't fight back with superior weapons...

      "Where's the Ka-Boom!? There was supposed to be an earth shattering Ka-Boom!"

      --
      ACK NAK RST
    2. Re:Great news. by Patrik_AKA_RedX · · Score: 2, Funny

      Enslave a world of microbiological life? What are you? An evil mastermind with low self esteem?

    3. Re:Great news. by Anonymous Coward · · Score: 0

      Don't be foolish. There are more people on Earth to kill now than there has ever been before!

    4. Re:Great news. by Seumas · · Score: 1

      Troll?

        . . . Or insightful !

  13. The big question... by __aaclcg7560 · · Score: 1

    Does it test for carbon-based life only? Or does it have the capability to test silicon-based life? Ideally, it should test for both. I believe it was either Ray Bradbury or Arthur Clarke who wrote about a silicon-based lifeform on Mars.

    1. Re:The big question... by Anonymous Coward · · Score: 2, Interesting

      Silicon-based life was considered by science fiction writers at one point because of the obvious chemical similarities between silicon and carbon, but it turns out that silicon is just enough unlike carbon that silicon-based life could never be a direct approximation of carbon-based life. In other words, the chemical similarities between carbon and silicon aren't enough to make silicon-based life any more feasible than life based around some other element.

      Which isn't to say that life couldn't be based on non-carbon chemistries, but I'd find it exceedingly unlikely, and it's probably futile to try and develop an experiment that could detect it. I'll even go so far as to predict that any life we find in the future will be carbon-based, simply because carbon-based life will generally out-compete other kinds of life under the laws of physics of this universe. The odds of other chemistries beating carbon will be exceedingly low.

      On the other hand, the machines might overthrow humanity, proving the superiority of silicon-based life once and for all. ;) Maybe all the galactic civilizations will be machine ones by the time we (or our machine-based successors) ever meet up with them.

    2. Re:The big question... by Orange+Crush · · Score: 1

      Or does it have the capability to test silicon-based life? Ideally, it should test for both.

      While Silicon and Carbon can form similar chemical bonds and similar compounds, it just isn't going to be a 1-to-1 relationship. Carbon Dioxide is a gas in most Earth-like conditions (i.e. when water is a liquid). Silicon Dioxide = sand, rocks, glass, etc. It's possible there are other mixtures of molecules that could result in chemical life, but we can't build a detector for something we can't define in the first place. Our best bet is to simply look at what chemistries are available in a given area, energy inputs, etc. then test for evidence of complex and self-sustaining reactions then go from there.

      We've seen carbon based life adapted to extreme cold, oxygen-free locations on earth. Mars might have a few isolated areas where similar microbes can survive but there's no evidence nor any reason to test for anything else. Yet.

    3. Re:The big question... by savorymedia · · Score: 1

      Well...considering that we have a COPPER-based lifeform on our own PLANET...the Octopus... *shrugs* Isn't scientific arrogance wonderful? :)

      --
      1 is the square root of all evil.
    4. Re:The big question... by freedom_india · · Score: 1

      Octopus is copper-based??? That's news to me. I thought all life on Earth was carbon-based. Thanks for this piece of info. I should say am surprised.
      Then NASA needs to send a life-detector that is capable of detecting multiple-variants of life forms...

      --
      "Doing what i can, with what i have." ~ Burt Gummer
    5. Re:The big question... by cyclop · · Score: 1

      The problems with silicon based life are:

      * Silicon chains are more unstable than carbon chains.

      * AFAIK, there are no known complex prebiotic precursors for a potential silicon based life (I admit research on it is surely more scarce, however)

      * Most importantly, we don't know what to look for in the case of it.

      So it's a nice theory, albeit chemically more improbable than carbon-based life, but we don't have the slightest idea on how silicon-based life could look like chemically, so chemical tests for it would be a bit hard. The idea of the original article would work probably -detecting abundance of only one enantiomer of a complex silicon-based asymmetric molecule would be a good indicator of something alive. But we are talking of unknown molecules, so building a detector for them would be quite hard.

      --
      -- Patent no.123456: A way to personalize /. comments with a sig attached to the end.
    6. Re:The big question... by Anonymous Coward · · Score: 0

      Some quick googling appears to indicate that statement is inaccurate. Octopi and some other creatures have copper-based oxygen-carrying protein in their blood, but are still carbon-based lifeforms. Animals with hemoglobin, an iron-based oxygen-carrying protein, are after all not 'iron-based' lifeforms.

  14. Re:If you fail on Earth, try another planet by khallow · · Score: 4, Insightful

    Life has been defined. And it's probably going to be redefined when we find extraterrestrial life.

  15. Heh by Kingrames · · Score: 1

    NASA's Instrument For Detecting Life On Mars:

    a calculator.

    let's see... temperatures reaching minus 180 degrees Centigrade...
    absolutely zero water... but plenty of frozen carbon dioxide!

    that totals up to 0 life, excluding the now-dead microbes carried over from Nasa equipment (if you really must count it)

    So seriously, what's next, a new device to measure the IQ of president Bush?

    --
    If you can read this, I forgot to post anonymously.
    1. Re:Heh by MichaelSmith · · Score: 4, Interesting

      that totals up to 0 life

      Actually Mars is a lot like Antarctica. The air temperature is sometimes above zero C, but mostly below.

      Never the less, life survives there. At one stage one of the experiments which flew to mars on Viking was tried out in Antarctia and failed to detect life.

    2. Re:Heh by Patrik_AKA_RedX · · Score: 1

      So seriously, what's next, a new device to measure the IQ of president Bush?
      Already did that. Found a number that's even closer to zero than zero itself.
    3. Re:Heh by OriginalArlen · · Score: 1

      Actually Mars is a lot like Antarctica.

      ...except for being totally arid (no, really, there's a lot more water in even the dry deserts of Antarctica than anywhere on Mars - on the surface anyway); and the atmospheric pressure is rather lower, being about 0.1% of that in Antarctica; and of course the lack of a magnetosphere and atmosphere means that surface has been steadily cooked by high-energy cosmic rays and solar irradiation. Oh yeah and the gravity's 2/3 the value on Earth. And if you're in Antarctica,you now more than 100ms (as the packet flies) from civilisation. And of course the chemistry of the surface is pretty acidic; Spirit's found deep deposits of various types of ferrous and sulphate salts - the closest similar formations on earth are, I believe, in Death Valley. And finally, virtually no earth life would survive more than a few seconds on the surface; there are various lichens and mosses (and biofilms, at a lower level) in amongst the rocks in the dry valleys and other arid deserts in Antarctica.

      Still, some lunatics want to spend billions of dollars to take a picture of someone saluting an American flag there. There are even some crackpots who want to try to set up some sort of permanent manned presence there - the poor, deluded fools... go figure! (Thinks: if I observe that this is what happens when you watch too much Star Trek, will I get a flamebait mod? hey, if you disagree, don't mod me down - explain what I've got wrong.

      --

      Everything I needed to know about life, I learnt from Blake's Seven
    4. Re:Heh by mahmud · · Score: 1

      There are even some crackpots who want to try to set up some sort of permanent manned presence there - the poor, deluded fools... go figure!

      You gotta be joking or trolling! If not, than what the hell are you doing on Slashdot?

    5. Re:Heh by OriginalArlen · · Score: 1
      Not at all, I've been on Slashdot for years (since before user accounts in fact), but I disagree with the general consensus on a couple of things that are a big deal to Slashdot. One is the usefulness, practicality, and probability of manned spaceflight (in particular, ideas about colonisation of space as if it's the new Wild West). There's a ton a stuff on here I'm not interested in at all, but that's fine, i just don't read stories about gaming... but I'm very, very interested in astronomy and planetary science. I hope that doesn't make me a troll.

      Why would I be joking about Mars colonisation being an impractical fantasy? I look at raw images from the MER rovers virtually every day, I am *fascinated* by the planets - Mars and Venus in particular; some of the gas-giant moons are pretty cool, too. I'm failing to express myself here,, I guess what I mean is, "why would you think I'm joking?" It's a perfectly serious opinion, hopefully the people on the planet in a position to decide whether to do it or not will realise it's a waste of resources before wasting too much. I do think that the chances of the current Dubya plan to land on teh moon as a precursor to going back to Mars isn't going to happen - and I'll put money on this, real folding cash money you can buy beer with. Chances that the programme will produce a successful landing on the moon are pretty good; I'd say as good as 3:1. But the chances of that translating to a successful manned mission to Mars and back is 50:1 at best; and the chance of a permanent manned presence is nil.

      Any takers?

      --

      Everything I needed to know about life, I learnt from Blake's Seven
    6. Re:Heh by mahmud · · Score: 1

      Why do you think that the chance of permanent Mars base is zero? What do you propose instead? Space habitats? Colonizing asteroids? Or are you saying that we are just gonna hang around on the Earth for a while and then die?

    7. Re:Heh by OriginalArlen · · Score: 1
      >Why do you think that the chance of permanent Mars base is zero?

      In a nutshell, it's entirely unsustainable. It could never be self-supporting. Thus it would never be more than a very very expensive prestige project.

      >What do you propose instead?

      Why should there be any instead? > Space habitats? Colonizing asteroids? Or are you saying that we are just gonna hang around on the Earth for a while and then die? > The latter, of course. What makes you think homo sapiens is not subject to the same laws of biology, physics, and statistical chance over geological time periods that everything else on the planet is?

      --

      Everything I needed to know about life, I learnt from Blake's Seven
  16. It's life, Jim by davidwr · · Score: 1
    --
    Knowledge is how to play a game, intelligence is how to win, wisdom is knowing what game to play.
  17. Life on Mars? by moosesocks · · Score: 4, Funny

    Why don't we just send David Bowie?

    --
    -- If you try to fail and succeed, which have you done? - Uli's moose
  18. Get Gene Hunt on the phone. by Dimensio · · Score: 1

    We already sent Sam Tyler, and he's not back yet.

    1. Re:Get Gene Hunt on the phone. by tomblag · · Score: 1

      He prolly ran into Liv tyler, and is trying to make tyler babies, which makes this new sensor all the more pertinent.

  19. Deserves More by DumbSwede · · Score: 2, Interesting

    $750,000 seems to be trying to get by on the cheep to me. I recently read an article labeling a $1,000,000 grant to the Allen Telescope Array as "pork barrel." Never mind most of its funds come from private sources, the fact that some (not all) of its science is for SETI makes it a target.

    Religious types would explain its all about not wasting sources because it is a self-evidently pointless search. I would have to suspect there is an element of not-wanting-to-know because ignorance will make religious dogma true in some magical way.

    It costs hundreds of millions to send these crafts to Mars. I would rate the possibility of finding life or past life on Mars as one of the most important things they could do, and thus deserving of a reasonably share of the cost in a mission, say 10%-20%, not the less than point-2-percent I reckon this is. Granted there are probably other life related experiments, but I'm betting they are feeble in scope in compared to the original Viking missions. They may be more effective with improved technology and decades to review Vikings' data, but they are pitifully small compared to what we could be doing I'll wager. Our little shop that works on Government contracts nets 5 million a year for a staff of about 70 people, and that's every year. I almost feel guilty getting a pay check when this kind of science appears to be starving.

    1. Re:Deserves More by cyclop · · Score: 1

      Religious types would explain its all about not wasting sources because it is a self-evidently pointless search. I would have to suspect there is an element of not-wanting-to-know because ignorance will make religious dogma true in some magical way.

      Huh? I'm blissfully unaware of religious opposition to searching extraterrestrial life (probably because I am not religious). What kind of opposition there is? On what grounds? Does it come from creationist wackos or also from other camps? I am really interested.

      --
      -- Patent no.123456: A way to personalize /. comments with a sig attached to the end.
    2. Re:Deserves More by Anonymous Coward · · Score: 0
      If YOU feel guilty, or would like to see more science like this, YOU could try something really radical, like writing a check to support it.

      I know, actually putting YOUR money where YOUR mouth is seems strange, but once YOU start actually supporting something YOU believe in compared to complaining why others are not supporting what YOU believe in, YOUR life will change for the better.

      FYI, there are 3 easy ways to financially support what you believe in:

      1. For government you can overpay your taxes and not claim the refund.

      2. You can call the agency or organization and write them a check directly (or ask if they need materials or office supplies and send them to them if they can't accept a check, thus freeing money in their budget.

      3. Volunteer

      There are other ways for YOU to support what YOU want, but YOU get the idea.

    3. Re:Deserves More by Anonymous Coward · · Score: 0

      I agree with your sentiment about it being "on the cheap", especially considering the cost of launch, and other windows of opportunity.

      That said, it's a sad day when religious zealots fear the discovery of life on other planets. I'm not a religious man, but I grew up in a religious family and have a good background of Christianity, and a good knowledge of the other major religions. From what I can tell, there is NO reason why the existence of life on another planet would contradict any of the doctrine or scriptures. The only thing it may contradict is the interpretations that some of the religious leaders have been preaching. In that case, it's personal ego holding them back, and not the religion itself. There's a whole lot more in the scriptures about personal ego than there is about the lack (or existence) of extra-terrestrial beings of any kind, so that should be a cue to question your leaders.

      Of course, this brings me back to my utter distaste for many religions, especially Protestanism in the U.S. Martin Luther broke away from the Catholic church because he believed people should be able to read and interpret the Bible for themselves, and not be told how to interpret it from the leaders, who were often skewing the scriptures to meet one political agenda or another. And so today what do we have... a bunch of people that call themselves Protestants, who yet seem to believe that they should follow church lines like a political line. Then again, maybe they still are one and the same, and Martin Luther is rolling around in his grave.

      Inferiority complex at its worst? Or have we been there, done that, and intelligent life elsewhere in the universe is sorta waiting for us to get damn civilized and intelligent before it reveals itself? Another reason I believe that we won't find intelligent life, since we ourselves probably aren't as bright as we think...

  20. Why should it find life on Mars ? by computernut · · Score: 0, Redundant

    While, I am all for looking for life outside of earth (I am a firm supporter of the concept of Extra Terrestrial Intelligence), I have difficulty comprehending, why we keep looking for life signs that resemble that on Earth. We (life on earth) had a unique set of conditions and situations that led to life forming here and eventually to humans evolving.
    There doesn't seem to be (to my knowledge--correct me if I am wrong) anything to support the fact that similar chain of events have taken place on Mars... so why should life there , resemble in anyway what we expect it to do ?

    The article says key molecules associated with life. How do we know what Martian Life forms have these molecules ? For all we know, one of the rocks that sit alongside one of the many instruments we sent there, maybe representative of Martian Life. ... for all we know, they might be moving or have some phenomena that we don't observe simply because we are not either in a position to know how to look for it, or we can't observe it... We can see light and UV and IR (by instruments)..how if life there exisits in some pure energy form ? (and we can't see/feel/observe it ?)

    I am all in support of this mission, but I believe that the space exploration agencies should try to keep a more open mind as to what they expect to find life to resemble out side of our planet.

    1. Re:Why should it find life on Mars ? by tomblag · · Score: 1

      I am sure they have fairly open minds... These missions aren't like Star Trek tho; where the intent is to drive around the proverbial neighborhood while high and see what happens, the missions are narrowly defined, with limited funding. And, if your working under those presumptions and looking for a can you don't bring a screwdriver.

  21. Does it dig? by Anonymous Coward · · Score: 0

    I hope this thing has a corkscrew or straps on to the back of a mole because it's gonna need to dig DEEP.

  22. Some gossip by Anonymous Coward · · Score: 0

    Liv Tyler's mother, was apparently Bowie's and some others girlfriend long before she met Tyler

    http://www.whosdatedwho.com/celebrities/people/dat ing/bebe-buell.htm

  23. Detection..... by IHC+Navistar · · Score: 1

    If you really want an accurate and super-sensitive way for detecting life, just send a mother to Mars. If there is life, she will seek it out and nag the hell out of it.

    All NASA would have to do is wait for the screams of microbes begging to be taken back to Earth and locked in a secure, solitary chamber for study.

    Unfortunately, locking myself in a secure, solitary bedroom as a means of escaping the Vulcan Death Nag has been somewhat of a failure.

    I wish the microbes better luck.

    --
    Knowing Google's lust for data collection, the Soviet Union is still alive and well inside the psyche of Sergey Brin....
  24. We've had Mars Life finders before, no? by KarelK · · Score: 2, Funny

    It took me a while to look it up on youtube, but we've had this before, no? So what's new in the new device?
    http://youtube.com/watch?v=ryd9udbh6X8

  25. NO LIFE ON MARS !!! by PermanentMarker · · Score: 1

    When does this nonsens stop? Based on so little evidence this Mars life search, is rather a WILL to believe there is life. There are better candidates for life in our solar system then Mars, take jupiter's moons. But the fact is it is easier to make people think that life is from mars. As well 50% of american (might even be higher) believe in little green men. Rather a mass pscyhose of watching to much startrek and other SiFi, funded by Nasa (to get their budget in return) Oh men, get a life.... (here on earth...)

    --
    I know you're out there. I can feel you now. I know that you're afraid. You're afraid of us. You're afraid of change.
  26. Comment removed by account_deleted · · Score: 1, Interesting

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  27. Ill save them the cost by Anonymous Coward · · Score: 0

    Its on BBC 1 tuesdays at 9pm

  28. Re:If you fail on Earth, try another planet by khallow · · Score: 1

    Absolutely. Which is why it's more effective to go looking for life, and study what you get, than it is to attempt to define it first. I personally prefer to define life as self-propagating information. That opens up a can of worms since computer viruses then are technically "alive" (and for some reason people don't like that viewpoint), but it's not a problem for me.

  29. Comment removed by account_deleted · · Score: 0

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  30. Re:If you fail on Earth, try another planet by khallow · · Score: 1

    Pardon my stupidity, but how can you go looking for something when you don't know what exactly it is you are looking for? And as an issue that requires public funds, its like handing someone a blank check -- completely foolish and unaccountable.

    Objectively, even if you don't know what you are looking for, life and other interesting things are observable, if you happen to look at it in the right way. These missions aren't what I'd consider "blank check". They make specific promises. Ie, they'll bring particular instruments and make observations. Detecting life isn't to my knowledge the only goal of these programs. They also will acquire substantial geological and chemical information, for example.

    At any rate, that wasn't the thrust of my original post anyway. The post was essentially about the fact that humanity knows about one millionth of one percent about human life, and yet rather than focus on understanding what life we *do* know exists, there's an obsession with finding new life. Rather than playing games with the definition of life here on Earth to manipulate moral responsibility to it, how about we demonstrate good stewardship with the life we *know* exists, and has been entrusted to us, rather than going in search of life elsewhere that may not even exist.

    My take is that if you can recognize a human walking down the street, are acquainted with the society, culture, and history of humans, and interact on a regular basis with humans, then you probably know a lot more than "one millionth of one percent about human life". That is an absurd claim to make.

    Second, IMHO finding new life would help us to understand the life we currently have. And we are stewards of life elsewhere, even if we haven't found it yet. Finally, there are more important things than the mere preservation of life and natural diversity. Two are establishing new habitat elsewhere and using our knowledge to increase the diversity and capabilities of life whether it be Earth-based or not.

  31. If there is life on mars by pjotrb123 · · Score: 1

    ... the Dutch will find it.
    Here's how



    --
    I liked my next sig a lot better
  32. Giant silver robot by HangingChad · · Score: 1

    a new sensor to check for life on Mars.

    It's a giant silver robot and you stop it from vaporizing all life on Mars by saying Klaatu, barada, nickto.

    Who said searching for extraterrestrial life was complicated?

    --
    That's our life, the big wheel of shit. - The Fat Man, Blue Tango Salvage
  33. Comment removed by account_deleted · · Score: 0

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  34. Re:If you fail on Earth, try another planet by khallow · · Score: 1

    I think you are kind of missing the general gist of what I'm getting at. Science *already has* found the unknown, intelligent form of life: its humanity. Science knows little about the human body, and the answers to fundamental questions of what it does know are altered, revised, and bartered for political / moral convenience. In other words, science's answer to "what is life?" isn't based on real science -- its based on the bias of the scientist. If a scientist wants to support abortion, he'll say that a fully-developed baby in the womb is an "unviable tissue mass", while on the other hand say that a water molecule found in space is evidence for intelligent life elsewhere. It isn't science, its a self-authored world view.

    I'm sorry, but I don't agree on the first point. If you would explain why you hold your opinion, then I might understand. As it is, it appears to me that you are equating degrees of ignorance. Or perhaps some sort of binary model of ignorance. Either I know everything about humanity and its quirks or I know little. My take is that human knowledge about itself is somewhere in the middle and it's not accurate to say scientists know little of these things.

    Second, it is well known that scientists are biased. And there are many historical examples of definitions made in a way that continue to support the biases of the definition makers. But this seems to support my contention. If you want to make a less biased definition of life (and answered meaningful questions as can be addressed by science), then you need to look. Pondering the definition in the absence of examples is fruitless. And I don't think your last remark is on target. For some reason, it is considered important in some circles to determine when human life begins. The above definition is (so I gather) when the fetus can survive outside the womb. Before that, it is a "unviable tissue mass" according to the viewpoint of said scientist. Since you bring it up, I gather you understand the problems with such a definition (eg, what does "unviable" really mean?). My take is that the debate on abortion is fundamentally not a scientific question though advances in technology do change some of the answers. I don't really see the semantic games associated with pro- and anti-abortion propaganda as relevant to whether we should look for extraterrestrial life.

    As there is no respect for the sanctitiy of our own life, I don't buy into the earnest desire to respect the sanctity of life not found. The search for life eslewhere is just an ego trip, and I wouldn't give one dime for it. Its the scientist equivalent of a high school kid's quest for more horsepower in a hot-rod to impress girls.

    This appears to me to be a biased viewpoint not entirely based on fact. First, you appear to exhibit respect for life which if correct would make you a counterexample to your own argument. And my take is that respect for life is pretty widespread.

    I will withdraw my comment about being stewards of life we may not even know about yet. It's not a reasonable thing to demand. But calling the search for life an "ego trip" isn't particularly accurate. Whose ego are we gratifying? Not mine though I support missions which search for extraterrestrial life. I have genuine curiousity about life elsewhere especially since it will probably be radically different from life on Earth. I suppose searching for extraterrestrial life is not the optimal use of public funds, but better than most purposes that use or squander public funds.

  35. Comment removed by account_deleted · · Score: 0

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  36. Re:If you fail on Earth, try another planet by khallow · · Score: 1

    The reason I don't care is because it's a semantics issue not a moral or scientific issue. There's also no opportunity to respect or disrepect life. Fundamentally the problem is whether to permit abortions of a fetus. Is it right or wrong? I imagine everyone thought it would be helpful to determine when a fetus is "human", but this isn't turning out to be helpful. The problem is that humanness is not discrete. A fertilized egg doesn't watch TV or sing, pay taxes or read a book. But if things go well, it will eventually do those things. It gradually accumulates the characeteristics of a human as we see them every day. To make a certain point on this transformation, the spot when it becomes human is a highly subjective and in my humble opinion flawed decision.

    Coy pro-abortion arguments that argument that a fetus isn't human ignore that you are killing potential. Somehow it's not ok to kill babies who are only a little further along, but it's ok to kill pre-babies. They attempt to ignore deep ethical problems with abortion. Nor do they seem that interested in reducing the amount of abortions that occur. On the other hand, anti-abortion arguments are notoriously brutal on the living. Unwanted children and overpopulation do exist. And if anti-abortion supporters can't or won't take care of those children now (which is the case), then they won't take care of even more children that would be born in a world without abortion. And given that overpopulation is one of the great ills of humanity now, contributing to poverty, social instability, environmental harm, and disease. Again those who oppose abortion have not rid the world of these things. It strikes me that the world is such that one needs to decide what life to respect. In other words, there is a genuine dilemma in that if too many are born, then it harms the lives of both the children and those already alive.

    I really don't see an obvious ethical place in this debate. Great evil occurs no matter what choice is made. And it is aggrevated by the arguers that have no interest in reducing the harm caused by their side. In particular, I see no point in a phony argument that ignores the harm and instead focuses on highly subjective definitions. That is not respect for life.
  37. It's the freakiest show by Tom+Veil · · Score: 1

    Check out the data they've gathered. They've already detected sailors fighting in a dance hall, and they believe they've found evidence of a lawman beating up the wrong guy.

    --

    There's nothing you have that they can't take away: Absolute zero, Gentle Jack, bottom line.