Betelgeuse's odd recent dimming was caused by a huge cloud of material that the supergiant star blasted into space, a new study suggests.
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Here's your chance to have your astronomical questions answered by astrophysicist Joe Pesce in our Space.com Forums!
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An astrophotography competition run by London's Royal Observatory Greenwich, announces a shortlist of exceptional images for its 2020 contest.
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A high-powered telescope array has caught the brilliant fireworks-like "streamers" of gas formed during an early stage of star development in a cluster.
Betelgeuse's weird recent dimming was caused by starspots that temporarily covered at least half of the red supergiant's surface, a new study suggests.