Betelgeuse’s weird dimming caused by gigantic starspots

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The weird recent dimming of the star Betelgeuse was caused by spots that temporarily covered at least half of the enormous star’s surface, a new study suggests.

Betelgeuse, which forms the shoulder of the constellation Orion, is one of the most famous and familiar stars in the night sky — and one of the most extreme.

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Betelgeuse’s weird dimming caused by gigantic starspots

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