[ad_1] The three ancient lakes were discovered in the Hellas Planitia region of Mars. Long before Mars became the dry planet we know today, there used to be a lot of water …
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[ad_1] Scientists have known for some time that Mars was lukewarm and humid. It contained a lot of liquid water. However, there are between 4.2 and 3.7 billion years ago, most of …
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[ad_1] The Hellas Planitia region of Mars, where scientists believe that small lakes come and go regularly. Credit: NASA / JPL / USGS Before Mars became an extremely cold and dry world, …
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