观看免费视频 Great Basin National Park: Astronomy Ranger Minute

Name: Great Basin National Park: Astronomy Ranger Minute
Uploaded: 2016-05-12T23:00:11Z
Duration: 3 min 46 s
Description: It has been asked "what do we lose, if we lose the night?" Take a journey through the brilliant night skies of Great Basin National Park. The dark skies are exceptional but are under threat, but ask yourself this question: does a solution exist?

(67.1 MB) 添加日期12 May 2016 播放92次 Nature

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It has been asked "what do we lose, if we lose the night?" Take a journey through the brilliant night skies of Great Basin National Park. The dark skies are exceptional but are under threat, but ask yourself this question: does a solution exist?