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Harvard-Smithsonian Center for Astrophysics

New Evidence That All Stars Are Born in Pairs

15 Jun 2017, 15:46 UTC
New Evidence That All Stars Are Born in Pairs Bill Saxton, ALMA (ESO/NAOJ/NRAO), NRAO/AUI/NSF

Did our Sun have a twin when it was born 4.5 billion years ago? Almost certainly yes -- though not an identical twin. And so did every other Sun-like star in the universe, according to a new analysis by a theoretical physicist from the University of California, Berkeley, and a radio astronomer from the Smithsonian Astrophysical Observatory at Harvard University.

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