Alcor (star)

Alcor or 80 Ursae Majoris is a binary star located in the Ursa Major constellation. It is also a companion to the brighter binary star of Mizar. The main star is a white star a few times larger than the Sun. Alcor is located 83 light years away from the Sun along with Mizar.

Alcor (star) Media

Mizar and Alcor in constellation Ursa Major
The Big Dipper's bowl and part of the handle photographed from the International Space Station. Mizar and Alcor are at the upper right.

References

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