stellar astronomy
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No, Betelgeuse Won’t Go Supernova in ‘Tens of Years’ — or Even Centuries
The expiration date of Betelgeuse, a massive dying star about 642 light-years from Earth, is a hot topic in astronomy because of the star’s superlative size and its life cycle stage.
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Astronomers Spot Third Possible Planet Orbiting Nearest Star
Proxima Centauri, a tiny star located a mere 4.25 light-years from Earth, may host a third planet, according to new research.
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This Earth-Sized Star Rotates Once Every 25 Seconds
Astronomers announced this week the discovery of the fastest-rotating white dwarf star on record, with a spin rate of once every 25 seconds. The star is about the size of Earth but, by the team’s measurements, contains least 200,000 times more mass, making the dense little object a spinning freak of nature.
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Observations of Exploding Star in ‘Real Time’ Deemed a Major Step Towards Predicting Supernovas
A star located 60 million light years away went supernova last year, and astronomers managed to capture all stages of the stellar explosion using telescopes both on the ground and in space.