File:ESP 031221 1315-Mars-CopernicusCrater-OlivineDuneTerrain-20190831.jpg

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Captions

Captions

Mars - Copernicus Crater - Olivine Dune Terrain - August 31, 2019

Summary

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Description
English: Raindrops of Sand in Copernicus Crater

https://www.uahirise.org/hipod/ESP_031221_1315

https://www.sciencealert.com/these-images-showcase-mars-at-its-most-gloriously-alien

The dark features here look like raindrops, but are actually sand dunes. This spot was targeted by CRISM because the dunes are rich in the mineral olivine.

Olivine-rich dunes are very rare on Earth, as olivine rapidly weathers to clays in a wet environment. There is also olivine-rich bedrock in the central peaks of Copernicus Crater on the Moon.

There is only a handful of very important scientists, like Nicolaus Copernicus (1473-1543) who have craters named after them on both Mars and the Moon.
Date
Source https://static.uahirise.org/hipod/ESP_031221_1315.jpg
Author NASA/JPL/UArizona

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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