Does Mars have any environment in which a plant, virus or otherwise would be capable of living on Mars without an artificial environment? Is there anything that can live below the Armstrong Limit on Mars?
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2Not duplicates, but there are some interesting answers and comments to Are not crash landings on Mars violating the Planetary Protection rules? and also Why is Curiosity not heading for Peace Vallis? that you might find worth perusing! – uhoh Aug 07 '18 at 05:51
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3However, can you find a way to make your question further different from What existing life on Earth is best suited for the Martian environment? than it is? You might add a link to this question, then explain that answers there don't really address all of Mars's conditions at once. – uhoh Aug 07 '18 at 07:12
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What if everything was provided…..but the atmospheric pressure ? Do you mean the composition of the "breathing" air for the living organism could be different from the composition of the atmosphere of Mars ? – Cornelis Aug 08 '18 at 12:20
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Let the cyanobacteria be our scouts, like they were on Earth, to find a way of life. – Cornelis Aug 08 '18 at 13:14
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You mean besides humans right? We can make our own environment like no creature that ever was. – Joshua Sep 06 '18 at 19:58
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@Joshua we could not live on Mars without a pressure suit. – Muze Sep 06 '18 at 20:06
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1@Muze, yes, but we make pressure suits! – Steve Linton Sep 29 '18 at 17:07
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1As uhoh pointed out, seems like pretty much a duplicate of https://space.stackexchange.com/questions/8963/what-existing-life-on-earth-is-best-suited-for-the-martian-environment. – Anthony X Sep 29 '18 at 17:59
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1@uhoh thanks for the links. I wish there was a way to like your comment where you can see it was me! – Muze Sep 29 '18 at 20:17
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I think the important clarifications are whether you talk about surviving for some time or living for several generations, also whether you talk about Martian surface (where probably no earth organism can live) or in general, including deep underground (where some optimism may exist but probably not enough data collected yet to be sure). – OON Sep 29 '18 at 23:22
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The German Aerospace Center found that lichens and a Cyanobacteria could survive on the surface of mars for at least a month after subjecting them to mars like conditions.
Article on the subject: http://www.planetary.org/blogs/guest-blogs/20120515-earth-life-survive-mars.html
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1Thanks for your answer. Please check out all of SE. You are the only one who made an attempt to answer this question. Here is 50 bonus reputation points to help you get started. – Muze Sep 30 '18 at 22:07