NASA has discovered a large lake with water on Mars

The robotic rover NASA’s “Perseverance” sent the first images from Mars, which confirm that the now-dry Jezero Crater was once a lake that fed the delta of a river. This was reportedly about 3.7 billion years ago. Today, there is no liquid water on Mars. The planet is very cold and the pressure in its sparse atmosphere is very low.

Mars seems to have dried up about 2.5 billion years ago. But the new discovery is another indication that the neighboring planet was once hot and humid enough to have, like Earth, its own hydrological cycle, at least at times.

Images from Perseverance cameras also provide solid evidence that billions of years ago the 45-kilometer-diameter Jezero Crater was suddenly flooded, with water flowing at speeds of up to nine meters per second, which could move up to 3,000 cubic meters of water to one second. These floods were strong enough to move large rocks, one meter in diameter and weighing several tons, which were originally located tens of kilometers outside the crater, and eventually deposited them at the bottom of the lake, where they are now exposed.

Dozens of researchers, who made the publication in the “Science”, estimate that the lake was calm for a long time, until some dramatic climate change for some unknown reason or some meteorite fall or intense volcanic activity triggered the massive melting of ice and after violent floods. It is estimated that the lake that once existed in the current crater, had an area of ​​about 900 square kilometers.

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Source: Digital Life! by

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