Science
Ancient lake sites suggest lots of precipitation on Mars – Ars Technica
How much water did it take to fill a lake bed on Mars?
Enlarge/ A simulated view of Gale Crater Lake, measuring about 150km across, on Mars about 3 billion years ago.
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Mars clearly once had a lot of waterthere are simply far too many features that clearly formed in a watery environment for that to be a matter of debate. What’s less clear is how much of that water was liquid and for how long. While some features clearly indicate that liquid water was present for a long time, others likely for…
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