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The Bruce Murray Space Image Library

Origin of the Martian crustal dichotomy?

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Origin of the Martian crustal dichotomy? Geophysical modeling suggests that a Pluto-sized body may have slammed into Mars early in its history, erasing the cratering record of half the planet and leaving behind the low-lying, flat volcanic plains that now form the northern lowlands of Mars.

© Don Davis. All rights reserved.

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Robert coffey: 09/28/2013 04:17 CDT

I have been a member since 1993.the pictures are amazing!!

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