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Retrograde

(11,246 posts)
10. Colonists on Earth
Sat Mar 1, 2025, 01:45 AM
Mar 2025

from the earliest Homo sapiens to more recent times - also had plentiful access to breathable air, and mostly to water. Humans trying to colonize Mars will have to bring enough of those resources to sustain them on their long trip to the planet, and for however long it takes for them to get a colony established - if ever.

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