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Published 3 days ago • loading... • Updated 3 days ago

Does Betelgeuse Have a Companion?

Summary by pourlascience.fr

The brightness of Betelgeuse, one of the brightest stars in the sky, varies according to a double period of four hundred days and six years. This second cycle would result from the presence of a companion star, which would be detected.

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1 Articles

1 Articles

pourlascience.fr

Does Betelgeuse Have a Companion?

The brightness of Betelgeuse, one of the brightest stars in the sky, varies according to a double period of four hundred days and six years. This second cycle would result from the presence of a companion star, which would be detected.

3 days ago

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pourlascience.fr broke the news in 3 days ago on Friday, August 15, 2025.

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