A look at Mars when it was wet and warm, billions of years ago
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A look at Mars when it was wet and warm, billions of years ago
Nov 15, 2013
NBC NewsTanya Lewis
For decades, planetary scientists have suspected that ancient Mars was a much warmer, wetter environment than it is today, but estimates of just how much water Mars has lost since its formation vary widely. Now, new isotopic measurements by researchers reveal that an ocean once covered approximately twenty percent of the Martian surface. This new picture of early Mars is considerably wetter than many previous estimates, raising the odds for the ancient habitability of the Red Planet. | NASA’s Go
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💧 Did Mars Once Flow with Water? This stunning Martian landscape shows what scientists believe to be ancient riverbeds and dried lakes — strong evidence that liquid water once existed on the surface of Mars. The curved valleys and smooth basins suggest erosion caused by flowing water, possibly from ancient rainfall or underground springs billions of years ago. 🪨 Rock formations and sediment layers in these regions are still studied by rovers like Perseverance to search for signs of past microb
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