Hypergiant: Hypergiant stars are the brightest and most massive stars known. Although the term is used loosely, the criterion used to separate supergiants from hypergiants is that the latter are stars with an absolute magnitude greater than -7. [100%] 2023-02-14 [Astronomy] [Stars]...
Hypergiant: A hypergiant (luminosity class 0 or Ia) is a very rare type of star that has an extremely high luminosity, mass, size and mass loss because of its extreme stellar winds. The term hypergiant is defined as luminosity class 0 ... (Astronomy) [100%] 2024-09-12 [Hypergiants] [Star types]...
Yellow hypergiant: A yellow hypergiant (YHG) is a massive star with an extended atmosphere, a spectral class from A to K, and, starting with an initial mass of about 20–60 solar masses, has lost as much as half that mass. They ... (Astronomy) [70%] 2023-09-04 [Hypergiants] [Stellar phenomena]...
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