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Hypergiants are stars with a tremendous mass and luminosity, showing signs of a very high rate of mass loss. Hypergiants are very luminous stars, up to millions of solar luminosities, and have temperatures varying widely between 3,500 Kelvin and 35,000 Kelvin.

Because of their high masses, the lifetime of a hypergiant is very short, only a few million years compared to around 10 billion years for stars like the Sun.

See link for a pictorial representation of our Sun compared to the largest known hypergiant.

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16y ago

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