7-year eclipse reveals 'exceptionally rare' binary system with 1000-year orbit

7-year eclipse reveals 'exceptionally rare' binary system with 1000-year orbit
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The strange 7-year dimming of a distant star was caused when its oddball stellar companion eclipsed it. The event was serendipitously caught by astronomers and won’t occur again for centuries.



January 12, 2023 at 01:30AM
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