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Questions regarding surface features of celestial bodies.
8
votes
1
answer
955
views
What's the deepest a trench could theoretically be dug on Mars?
Given the physical characteristics of Mars (the crust's thickness, its composition, gravity, etc.) how deep a trench (that could be expected to continue to exist indefinitely, or rather, for periods o …
10
votes
1
answer
966
views
Is there any reason Cyanobacteria or Lichens can't survive on Mars?
According to this article "Mars atmosphere is supersaturated with water" & according to answers to this physics stack exchange question conditions do exist on the surface of Mars where fluid water can …