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This is a list of supernova candidates, or stars that are believed to soon become supernovae. ... Betelgeuse: 05 h 55 m 10.3 s +07° 24′ 25″ Orion ~400–500 [8 ...
However, the first dredge-up occurs soon after a star reaches the red supergiant phase and so this only means that Betelgeuse has been a red supergiant for at least a few thousand years. The best prediction is that Betelgeuse has already spent around 40,000 years as a red supergiant, [18] having left the main sequence perhaps one million years ago.
Models indicate that even rapidly rotating main-sequence stars should be braked by their mass loss so that red supergiants hardly rotate at all. Those red supergiants such as Betelgeuse that do have modest rates of rotation may have acquired it after reaching the red supergiant stage, perhaps through binary interaction. The cores of red ...
Found in the constellation Orion, Betelgeuse is extremely bright, especially considering that it’s roughly 650 light-years from Earth (though, it does have a radius 1,000 times bigger than the Sun).
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 ...
As Betelgeuse burns through fuel in its core, it has swollen to massive proportions, becoming a red supergiant, the latter phase of giant stars. When the star explodes, the event could be briefly ...
Tempchin had already written one of the Eagles' previous singles, "Peaceful Easy Feeling". [5] "Already Gone" was one of the first songs that the Eagles recorded for the album after they stopped recording in London and returned to Los Angeles, and switched their producer from Glyn Johns to Bill Szymczyk. [5] Frey was the lead vocalist. [6]
Are supernova progenitors accepted? - I have found a progenitor (SN 2018fif) that is 1,174 Rsol [1]. You'd need a new category for how the radius was calculated. And of course the star doesn't exist any more. Lithopsian 19:43, 4 August 2020 (UTC) True, but many stars are so distant they might have already gone supernova.