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主題: 火星上地形 作者: peter 於 2018-06-12 09:56:41 https://astronomynow.com/2018/06/04/corduroy-sand-dunes-enhance-mars-permanent-polar-cap/
(https://mk0astronomynow9oh6g.kinstacdn.com/wp-content/uploads/2018/06/060418_corduroy-dunes.jpg) Sand dunes make for intriguing patterns on Mars’ permanent polar cap as seen by the HiRISE camera on NASA’s Mars Reconnaissance Orbiter. Image: NASA/JPL-Caltech/Univ. of Arizona |