Astronomy Cast Ep. 432: Geoglogic Ages of Mars – From Wet and Wild to Desolate Desert

Article written: 22 Dec , 2016
Updated: 3 Mar , 2017
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Today, Mars is a desolate wasteland, with dusty red rocks and sand stretching out to the horizon. But billions of years ago, it was a vastly different world. It was blue, with oceans, rivers, lakes, and maybe life? Let’s tell the story of geology on Mars, and we got from that world to the one we see today.

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