美国宇航局的科学家比尔·库克说：“它们是极其罕见的现象。”比尔此前曾发现了存在阿拉巴马州摄像机里面的极光照片，并把它们发布在马歇尔航天飞行中心的博客上面。
"They are very rare events," said NASA scientist Bill Cooke, who found the aurora photos in the Alabama camera's archive and posted them on the Marshall Space Flight Center's blog.
美国宇航局的科学家比尔·库克说：“它们是极其罕见的现象。”比尔此前曾发现了存在阿拉巴马州摄像机里面的极光照片，并把它们发布在马歇尔航天飞行中心的博客上面。
"They are very rare events," said NASA scientist Bill Cooke, who found the aurora photos in the Alabama camera's archive and posted them on the Marshall Space Flight Center's blog.
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