Twinkle, twinkle fading stars: Hiding in our brighter skies
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January 20, 2023
WASHINGTON (AP) — Every year, the night sky grows brighter, and the stars look dimmer.
A new study that analyzes data from more than 50,000 amateur stargazers finds that artificial lighting is making the night sky about 10% brighter each year.
That's a much faster rate of change than scientists had previously estimated looking at satellite data. The research, which includes data from 2011 to 2022, is published Thursday in the journal Science.
"We are losing, year by year, the possibility to see the stars," said Fabio Falchi, a physicist at the University of Santiago de Compostela, who was not...
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