“Our Sun may once have had a twin. What happened to this stellar sibling?”

Many stars in our galaxy exist in pairs, but our Sun is a notable exception. Now scientists are finding clues that it may once have had a companion of its own. The question is, where did it go?
Our Sun is a bit of an isolated nomad. Orbiting in one of the Milky Way’s spiral arms, it takes us on a journey around the galaxy roughly once every 230 million years on our lonesome. The nearest star to our Sun, Proxima Centauri, is 4.2 light-years away, so remote that it would take even the fastest spacecraft ever built more than 7,000 years to reach.
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Link submitted by Gene Savoy, Jr.








