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Published in 2016
"Six out of 10 people in the US have never seen out Milky Way Galaxy arch across their night sky from where they live. And the problem of light pollution is quickly getting worse. Within a couple of generations in the US, only the national parks will have dark enough skies to see the Milky Way....
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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