Mars has Been Through Many Ice Ages in the Last Billion Years

Mars has Been Through Many Ice Ages in the Last Billion Years
By Evan Gough

Like Earth, Mars has experienced periods of extreme glaciation or ice sheet coverage, which are known as ice ages. As these ice ages come and go, glaciers expand and contract along the planet’s surface, grinding huge boulders down to smaller rocks. By examining the size of boulders and rocks at specific locations on Mars, we …

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January 22, 2021 at 12:09AM
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