1 year ago
Night skies are getting 9.6% brighter every year as light pollution erases stars for everyone
For most of human history, the stars blazed in an otherwise dark night sky. But starting around the Industrial Revolution, as artificial light increasingly lit cities and towns at night, the stars began to disappear. We are two astronomers who depend on dark night skies to do our research. For decades, astronomers have been building telescopes in the darkest places on Earth to avoid light pollution.
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