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发帖数: 1994 | 1 Anticrepuscular Rays Over Horseshoe Canyon
Credit & Copyright: Peggy Peterson
Explanation: What's happening over the horizon? Although the scene may appear somehow
supernatural, nothing more unusual is occurring than a setting Sun and some well placed
clouds. Pictured above are anticrepuscular rays. To understand them, start by picturing
common crepuscular rays that are seen any time that sunlight pours though scattered clouds.
Now although sunlight indeed travels along straig |
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