Many of the World’s Greatest Observatories Suffer from Some Light Pollution

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Many of the World’s Greatest Observatories Suffer from Some Light Pollution - by ET_Exists

The study’s findings indicate that 7 out of 28—or 25%—of the major observatories exhibited light pollution that fell within 1% of the artificial radiance limit. In contrast, the researchers discovered that 21 out of 28—or 75%–of the major observatories exhibited light pollution levels above 1% of the artificial radiance limit.

The researchers note their calculations don’t account for the additional artificial light caused by the “ever-increasing number of satellites and space debris in low Earth orbit”, which they note has already contributed to an increased brightness of 10% occurring some time throughout the astronomical night.

 

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