German researchers say light pollution is increasing by 7 to 10 percent each year, making it more difficult for astronomers to observe the night sky.
Episodes
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January 20, 2023
Greenland's Temperature 2001-2011 Was Warmest in 1,000 Years
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January 18, 2023
Radio Signal from Very Distant Galaxy Detected
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January 13, 2023
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January 12, 2023
Webb Space Telescope Confirms its First Exoplanet