Wednesday, March 13, 2013

Answer To Question 213

Q213: A blue giant is a huge, very hot, very luminous, blue star. It is not a main sequence star but a post-main-sequence star. These incredibly hot stars burn helium. These giants have the spectral type O or B and are very rare and very bright. Blue giants have at least 18 times the mass of the Sun. Examples include Rigel and Regulus.

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