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Comment Light pollution is fixable (Score 4, Insightful) 612

If we could start getting in the habit of focusing our lights down through the use of hoods and lamp covers we could probably make fast, cheap improvements on this problem. Light is wasted going up, with the exception of cool satellite shots showing the Earth at night. I for one would love to be able to see more than magnitude 1 and brighter stars from my rooftop in Brooklyn.

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