Where did all of Mars’ water go? NASA thinks its trapped under its surface
They found that the planet lost most of its water between four to 3.7 billion years ago,
from http://www.firstpost.com/tech/science/where-did-all-of-mars-water-go-nasa-thinks-its-trapped-under-its-surface-9428141.html
from http://www.firstpost.com/tech/science/where-did-all-of-mars-water-go-nasa-thinks-its-trapped-under-its-surface-9428141.html
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