Quote:
Originally Posted by Flash Walken
finding proof of life on another planet jazzes me up
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Don't be disappointed if they find no evidence on Mars, after watching a program on the subject recently even if life was like humans there it only takes a few hundred thousand years for all evidence to be gone. Even fossilization would be extremely unlikely on a dead planet, best you could hope for is a trace fossil (ie..footprint) but the chances a slow moving rover would find one would be like finding a needle in a million haystacks.
The only real chance of finding former life would be hoping that microorganisms froze in the water before the planet went dead and they find that bed of ice.