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The Colorful Walls of an Exposed Impact Crater on Mars

The Colorful Walls of an Exposed Impact Crater on Mars
By Nancy Atkinson

Impact craters have been called the “poor geologists’ drill,” since they allow scientists to look beneath to the subsurface of a planet without actually digging down. It’s estimated that Mars has over 600,000 craters, so there’s plenty of opportunity to peer into the Red Planet’s strata – especially with the incredible HiRISE (High Resolution Imaging …

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October 6, 2020 at 11:01PM
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