Giant impact crater that is the deepest point on Mars' northern hemisphere. MRO found 20 winding valleys that were formed by water over a site dated 1 billion years ago. There are currently dust covered glaciers near the site.
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Giant impact crater that is the deepest point on Mars' northern hemisphere. MRO found 20 winding valleys that were formed by water over a site dated 1 billion years ago. There are currently dust covered glaciers near the site.