【科学】为什么夜里天是黑的？

入得谷来，祸福自求。
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Jun
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Joined: 2003-12-15 11:43

【科学】为什么夜里天是黑的？

Post by Jun » 2012-09-30 14:04

你知道吗？

答案一点也不简单，需要动用不少近年来的天文物理学发现。下面是解释这个问题的视频：

http://www.youtube.com/watch?v=gxJ4M7tyLRE
There was nothing to warn anyone about. The world went on, even as it fell apart, changed irrevocably, became something strange and different. --- "Acceptance" in The Southern Reach Trilogy by Jeff VanderMeer
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