These craters on Tharsis are first visible as new dark spots observed by NASA Mars Reconnaissance Orbiter Context Camera CTX, which can view much larger areas, and then imaged by HiRISE for a close-up look.
Details
Title: An Icy Crater on Mars
Creator: NASA/JPL-Caltech/Univ. of Arizona
Date Created: 2013-07-17
Rights: JPL
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