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主題: 火星上三連隕石坑 作者: peter 於 2015-01-29 09:51:37 http://www.universetoday.com/118581/amazing-impact-crater-where-a-triple-asteroid-smashed-into-mars/
(http://d1jqu7g1y74ds1.cloudfront.net/wp-content/uploads/2015/01/ESP_039147_1940-2-580x493.jpg) A triple crater in Elysium Planitia on Mars. Credit: NASA/JPL/University of Arizona. |