ALMA Reveals Betelgeuse’s Fiery, Long-Lived Hot Spots

This ALMA image shows the red supergiant star Betelgeuse. Image credit: ALMA / ESO / NAOJ / NRAO / Dent et al.

Astronomers using the Atacama Large Millimeter/submillimeter Array have captured stunning new images of the surface of Betelgeuse, the famous red supergiant star in the constellation Orion, revealing persistent hot patches and a distorted, non-spherical atmosphere.

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