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The Sun's long-lost sibling found in our own backyard

21 Nov 2018, 14:00 UTC
The Sun's long-lost sibling found in our own backyard Aladin/Digitized Sky Survey

Our Sun sits alone in space, with the nearest star a bone-wearying journey of 4.3 light years away. But it wasn't always this way; evidence has been mounting for many years that the Sun was born in a cluster of stars, a stellar nursery that may have contained many thousands of stars, nearly 4.6 billion years ago.

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