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hypergiant

(hypergiant star)
(extremely bright stars)

A hypergiant (or hypergiant star) is a term for the brightest extreme of giant stars, e.g., on the order of absolute magnitude -7, and up to millions of solar luminosities. All are presumed to be post main sequence stars stars that were early during their main-sequence, e.g., O-type star. Examples:


(star type,stellar evolution)
http://en.wikipedia.org/wiki/Hypergiant

Referenced by:
supergiant

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