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Tuesday, September 17, 2019

In the dune fields of Mars, springtime defrosting occurs from the bottom up, trapping gas between the ice and the sand. As the ice cracks, this gas is released violently and carries sand with it, forming dark patches and streaks. Credit: ESA


http://bit.ly/2NjgzrT via /r/spaceporn http://bit.ly/2V5N9OX

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