Not only is HiRISE the only official NASA account on here, they're also sharing stunning pictures of Mars AND they're using ALT Text!! ๐Ÿ™Œ

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Secondaries Galore!

In this view we can see a section of a crater wall, littered with small impact craters. Generally, the impact crater density is a good indication of how old a particular terrain is.

More: uahirise.org/hipod/ESP_08...
NASA/JPL-Caltech/University of Arizona
#Mars #science #NASA

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