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Type Ia supernova progenitors are white dwarf stars that are close to the Chandrasekhar limit of about 1.44 solar masses and are accreting matter from a binary companion star. The list includes massive Wolf–Rayet stars, which may become Type Ib/Ic supernovae, particularly oxygen-sequence (Wolf-Rayet WO) stars.
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, [238] the red supergiants Betelgeuse, Antares, and VV Cephei A; [239] [240] [241] the yellow hypergiant Rho Cassiopeiae; [242] the luminous blue variable Eta Carinae that has already produced a ...
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.
This red giant star will, one day, explode as a supernova. 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 ...
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 ...
"Already Gone" is a song recorded by the American rock band the Eagles for their 1974 album On the Border. It was written by Jack Tempchin and Robb Strandlund and produced by Bill Szymczyk . The song was the first single released from On the Border and peaked at No. 32 on the Billboard Hot 100 .
Already Gone is a 2019 American thriller drama film written and directed by Christopher Kenneally and starring Tyler Dean Flores, Justine Skye, Seann William Scott and Shiloh Fernandez. It is Kenneally's feature narrative directorial debut. [1] Keanu Reeves served as an executive producer of the film. [2]
In Japan the music CDs are usually bundled with a given game upon release. To date Konami has released 13 V-RARE discs in the US to promote various Dance Dance Revolution game releases and has released them through various video game and non-video game vendors such as GameStop, EB Games, Toys "R" Us, and Burger King.