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地出

地球上升,1968年12月24日。

地出(英语:Earthrise,或译地球上升),为美国太空总署的照片。这张编号“AS8-14-2383HR”的照片由正在阿波罗8号太空船上执行前往月球任务的宇航员威廉·安德斯在1968年12月24日拍摄。[1]实际上阿波罗8号在这次任务中并没有降落在月球表面,因此照片是在绕月轨道上拍摄的。

实际上,如果真的站在月球表面上的话,是不会看到像日出、月出一样的“地出”的。因为月球与地球产生了潮汐锁定,月球永远只有一面朝着地球,所以在月球表面,地球差不多一直在同一位置不动。 但是又因为天平动的关系,地球看起来会在一个范围内来回摆动。若站在月球面向地球的一面的边缘,就有可能观测到类似地出的现象。 但由于天平动的周期为27天,整个地出地落也需要27天。

美国著名户外登山摄影家罗威尔英语Galen Rowell形容:“这是最具影响力的一张环境照片。”[2]

参见

参考资料

  1. ^ 存档副本. [2007-05-19]. (原始内容存档于2011-01-08). 
  2. ^ 存档副本. [2007-05-19]. (原始内容存档于2012-03-30). 
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地出
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