HiRISE (NASA)  

Hi8K: A System of Ridges

This rocky crater floor has an interesting system of ridges throughout it. This crater is one of hundreds of huge impacts in the Promethei Terra region of Mars. (Click link for full cutout.)

flic.kr/p/2kJMjXT

NASA/JPL/UArizona

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Galactic Goal  

@HiRISE
What is the scale on this image? Inches? Miles?

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HiRISE (NASA)
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@jurban It's less than 5 km across. The included link has more information.

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