Twinkle, twinkle fading stars: Hiding in our brighter skies

Dave Cooke observes the Milky Way over a frozen fish sanctuary in central Ontario, north of Highway 36 in Kawartha Lakes, Ontario, Canada, early March 21, 2021. According to research published in the journal Science on Thursday, every year the night sky grows brighter, and the stars look dimmer. Analyzing data from more than 50,000 citizen scientists, or amateur stargazers, reveals that artificial lighting is making the night sky about 10% brighter each year, a faster rate of change that scientists had previously estimated looking at satellite data. (Fred Thornhill/The Canadian Press via AP)

WASHINGTON — Every year, the night sky grows brighter, and the stars look dimmer.

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