Imagine yourself at the shoreline of a lake. It’s a little chilly, the wind is blowing and there are no trees, grasses or other signs of vegetation. The lake itself is only several feet deep, but it is fed by a system of deltas that flow into it
The lake looks similar to something you might find in a mountain valley on Earth, but it also might be what you would have seen if you stood at the rim of the 87-mile Gale Crater on Mars more than 3 billion years ago
See also: NASA says liquid water may flow on Mars. What does it mean for life?
Forget the …
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Mars once had long-lived lakes, upping odds it harbored life
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