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Astronomers pointed powerful telescopes at the red giant star Betelgeuse, confirming theories that the star had not almost exploded a few years ago, but it did experience a dimming event.
The time until Betelgeuse explodes depends on the predicted initial conditions and on the estimate of the time already spent as a red supergiant. The total lifetime from the start of the red supergiant phase to core collapse varies from about 300,000 years for a rotating 25 M ☉ star, 550,000 years for a rotating 20 M ☉ star, and up to a ...
Just like the mischievous Tim Burton character of the same name, the red supergiant star Betelgeuse's head shrank. Scientists watched the star blast its outer surface into space in 2019, an ...
In late 2019 and early 2020, Betelgeuse blew its top. Literally. Around that time the famous bright star marking the right shoulder of Orion suddenly started dimming, dropping to about half its ...
The Whiddy Island disaster, also known as the Betelgeuse incident or Betelgeuse disaster, occurred on 8 January 1979, around 1:00 am, when the oil tanker Betelgeuse exploded in Bantry Bay, at the offshore jetty for the oil terminal at Whiddy Island, Ireland.
A number of close or well-known stars have been identified as possible core collapse supernova candidates: the high-mass blue stars Spica and Rigel, [240] the red supergiants Betelgeuse, Antares, and VV Cephei A; [241] [242] [243] the yellow hypergiant Rho Cassiopeiae; [244] the luminous blue variable Eta Carinae that has already produced a ...
Betelgeuse is one of the best-known stars in the night sky, as well as the easiest to find. New examinations of this behemoth star suggest it is both smaller — and closer — than astronomers ...
To answer your question without getting drawn into a discussion, yes, uncertainties in the lifetime remaining to Betelgeuse make it possible that the time to supernova as observed from Earth is less than its light-time distance, and so the explosion may have "already" happened. — BillC talk 08:21, 28 May 2024 (UTC)