Our sun might have had a ‘companion’ that helped form our solar system, scientists say – The Independent

The Sun might once have had a “companion” that helped it form the solar system as we know it today, according to a new study.
In its very early days, our star could have been part of a binary system, with another star of a similar mass. That star has long since disappeared and is probably elsewhere in our Milky Way galaxy but may have left its mark on our solar system.
If that is the case, it could help explain the formation of the Oort cloud of objects at the edge of our solar system, and cou…

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