World’s largest communication satellite is a photobombing menace, astronomers warn

The world’s largest communications satellite, BlueWalker 3, is leaving strong white lines across time-lapse images of the cosmos because it is so bright. (Image credit: CLEOsat/Ckoirama Observatory/IAU CPS. E. Unda-Sanzana)

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A giant new communications satellite that outshines almost all the stars in the night sky is obscuring telescopes’ views of the universe, scientists warn.

The massive orbiting “cell phone tower,” known as BlueWalker 3, is creating both visible and invisible interference that could “severely hamper progress in our understanding of the cosmos,” representatives of the International Astronomical Union (opens in new tab) (IAU) said in a statement.

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