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Space / Light pollution / Amateur astronomy / Bortle Dark-Sky Scale / Scales / Naked eye / Milky Way / Limiting magnitude / Night sky / Observational astronomy / Astronomy / Light sources


Light pollution is the upward spill of light from street lights, business lighting and house lights, and it is lost into the atmosphere. 1.The image below shows light pollution over the Earth. Credit: NASA, NOAA NGDC, Su
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Document Date: 2013-07-17 00:20:24


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