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9 Incredible U.S. National Parks for Stargazing
AFAR· 29 minutes agoTo dim the man-made night lights, in 1988 astronomer David Crawford and physician Tim Hunter had a bright idea: They created a global dark-sky nonprofit...
To dim the man-made night lights, in 1988 astronomer David Crawford and physician Tim Hunter had a bright idea: They created a global dark-sky nonprofit...