The surface of Pluto is every bit as complex as that of Mars, the randomly jumbled mountains might be huge blocks of hard water ice floating within a vast, denser, softer deposit of frozen nitrogen within the region informally named Sputnik Planum.

Jeff Moore

Categorized in : Science

In some sense, Ultima has a fairly simplified geology, a bit like Frankenstein here, ultima Thule has a lot more stuff here going on.

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We suspect that the hills may have been pushed up from underneath, or they are erosion-resistant knobs that are standing out as erosion occurs.

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