Betelgeuse

Articles about Betelgeuse, the red supergiant star that forms Orion's left shoulder

Betelgeuse to dim or disappear as asteroid Leona passes in front of it

An occultation of Betelgeuse by asteroid Leona will be visible in southern Europe on 12 December.
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Did Betelgeuse swallow a companion star?

The red supergiant star Betelgeuse is spinning much faster than expected. A new theory suggests this could be the result of the star having expanded and swallowed a companion star that was in its orbit.
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