Epic crash may explain Mars' two faces
- added July 9, 2008
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- bshipp
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- Earth and Science (11767)
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Scientists have been hard-pressed to explain why the two halves of Mars look very different--low-lying plains in the north and cratered highlands in the south.
It now turns out a huge asteroid or comet impact long ago can explain the peculiarity, say researchers working with computer simulations.
It now turns out a huge asteroid or comet impact long ago can explain the peculiarity, say researchers working with computer simulations.
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