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Snow White Trench After Scraping

火星壁纸

by NASA/JPL-Caltech/University of Arizona/Texas A&M University

NASA Image Library · 公有领域（Public Domain）

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This view from the Surface Stereo Imager on NASA Phoenix Mars Lander shows the trench informally named Snow White after a series of scrapings were done in preparation for collecting a sample for analysis from a hard subsurface layer.

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