Did our sun have a twin when it was born 4.5 billion years ago? Almost certainly yes!Now, for the first time, scientists have found proof that our sun has a twin called Nemesis and it may exist somewhere in the universe after revealing that all stars are born in pairs.Image: This infrared image from the…

via Scientists have found proof that our Sun has a twin called Nemesis! — UFO Sightings Hotspot

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