Saturday, July 18, 2015

Sputnik Planum

Putting on my junior geologist hat, what it looks like here is that the smooth material in the north is different from the rougher material in the south. The smooth material looks like it shrunk and cracked, with some of the plates sliding downhill and pushing up those hills you see in the east.

Although, it looks like the polygonal cracks extend into (under) the rough material. You can see what looks like a whole plate of rough material surrounded by hills. Is the rough stuff on top of the smooth stuff?

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