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Feb 3, 2015
Winter is a great time of year for stargazing in #Zion #NationalPark (@zionnps) in #Utah. That's because cold air holds less moisture, which leads to better "seeing" -- an astronomical term that refers to the amount of visible distortion caused by the earth's atmosphere. Photo of the #MilkyWay over the park's Watchman by Kim Resleff (http://ift.tt/18oFfjl). by usinterior
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