(Click to enlarge.)
Have you ever wondered?
The probable answer suggests that Mars once had quite a bit of liquid water:
https://cosmosmagazine.com/space/why-mars-red
(Click to enlarge.)
(Click to enlarge.)
Have you ever wondered?
The probable answer suggests that Mars once had quite a bit of liquid water:
https://cosmosmagazine.com/space/why-mars-red
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