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Astronomers sound alarm over light pollution from new satellite
- sillywalk 3y agoFTA: At its peak BlueWalker 3, which resembles a Tetris block, is as bright as two of brightest stars in night sky... Scientists say while the apparent brightness of BlueWalker 3 is not constant, its peak is on a par with Procyon and Achernar, two of the brightest stars in the night sky.