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LiveScience
LiveScience
Elizabeth Howell

Astronomers share best-ever evidence that Betelgeuse has a secret companion star — and they've nicknamed it 'her bracelet'

Sun NASA
A glowing orange dot with a smaller blue blob nearby.

The red supergiant Betelgeuse likely has a companion star, astronomers have confirmed.

Long theorized to share an orbit with Betelgeuse — an extremely bright star that may go supernova in the next few thousand years — a sun-size companion star has finally appeared in unique observations taken with the Gemini North telescope high on Hawaii's Mauna Kea.

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