2015年9月3日 星期四

Sept. 3, 1976: Viking 2 Lands on Mars


​This rocky panoramic scene is the second picture of the Martian surface that was taken by Viking Lander 2 shortly after touchdown on Sept. 3, 1976 at 3:58 p.m. PDT (Earth received time). via NASA http://ift.tt/1Vz1YDo

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