In the Sky
Weather
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CoCoRaHS (Community Collaborative Rain, Hail and Snow Network) Colorado State University |
Air Quality
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MountainWatch Appalachian Mountain Club |
Night Sky
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Moon WatchHM Nautical Almanac Office |
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Great World Wide Star Count University Corporation for Atmospheric Research |
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Stardust@home University of California, Berkeley |
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GLOBE at Night |
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Galaxy Zoo Sloan Digital Sky Survey |
and the 
. Link to photo credits for this page
.