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Old 16-March-2007, 03:49 AM
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Default Did giant impact create the two faces of Mars?

NewScientistSpace: Did a giant impact create the two faces of Mars?

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The impact of a giant asteroid could explain why Mars has two very different faces – but only if it struck the planet with a glancing blow, computer simulations suggest.
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"We therefore consider it unlikely that you'll create the Martian crustal dichotomy utilising a single giant impact," Hart says.
But simulations carried out by the second team, led by Margarita Marinova of Caltech in Pasadena, US, suggest the giant impact hypothesis could still do the job if it struck only a glancing blow.
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Old 16-March-2007, 07:19 AM
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so THAT'S how the face got there..
is that also where the pyramids and roads came from?

oh, wait.. different kind of "faces"..oops..
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Old 16-March-2007, 09:52 PM
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Well, at least the happy face of Mars was created by a giant impact.
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