NASAのインスタグラム(nasa) - 4月30日 08時06分

Dust off before the drill down. Our Curiosity rover prepares to drill this sandstone. Follow @NASAJPL for more great Mars images!

This two-step animation shows before and after views of a patch of sandstone scrubbed with the Dust Removal Tool, a wire-bristle brush, on NASA's Curiosity Mars rover. Both images were taken April 26, 2014, by the Mars Hand Lens Imager on Curiosity's arm. The target rock is called "Windjana." Image Credit: NASA/JPL-Caltech/MSSS

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