New images of Betelgeuse’s dimming surface reveal the star’s changing shape, puzzling astronomers


Astronomers have observed the ever dimming surface of Betelguese with the aid of the ESO’s Very Large Telescope (VLT). The stunning new images they have captured not only reveal the star’s unprecedented dimming but also that the red supergiant in the constellation of Orion is changing shape.

Betelgeuse began to noticeably dim in late 2019, with the red supergiant’s estimated drop in brightness currently at around 36% of its normal output. This is a change so extreme it is noticeable with the naked eye. Astronomers and researchers across the globe are clamoring to learn more about this drop in brightness and what it signifies for the star.

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