Does the Sun have a Twin? Astronomy News with The Cosmic Companion Special Report August 20, 2020


A twin of the Sun, born with our parent star, may still be floating somewhere in space.

A twin of the Sun may have formed along with our solar system, a new study from the Center for Astrophysics finds.

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If confirmed, the presence of a second star would explain mysteries of the Solar System. This would mean the Oort Cloud at the edge of our system likely formed much as it is today. It would also mean that any “planet nine” beyond Neptune (should it exist) is likely a captured object from outside the Solar System.

Roughly five billion years ago, the Sun formed within a birth cluster — a collection of infant stars swimming in a cloud of molecular gas.

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This is the first time I have done a podcast for a special report - do you like the idea? Comment below and let me know! Thanks!

- James

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