Lots of pure water ice just 1m below the surface on Mars. This would certainly be useful when setting up a colony!
Image: Ville Ericsson
“Dundas and his colleagues hypothesize that the ice originated as snow, falling in waves over millions of years.”
Taken with the previous post about the possibility of ancient Martian oceans teaming with life, it is painful to think about the planet dying—eons of increasingly severe winters; organisms freezing and desiccating as seas became ice; millions of years of snow; the Martian atmosphere condensing, freezing and precipitating, settling in drifts hundreds of meters thick blanketing the planet…