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dwarf star |
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dwarf star: see white dwarf white dwarf, in astronomy, a type of star that is abnormally faint for its white-hot temperature (see mass-luminosity relation ). Typically, a white dwarf star has the mass of the sun and the radius of the earth but does not emit enough light or other radiation to be ..... Click the link for more information. . dwarf starAny star of average or low luminosity, mass, and size, including white dwarf stars and red dwarf stars. Dwarf stars include most main-sequence stars (see Hertzsprung-Russell diagram), including the Sun. Their colour can range from blue to red, corresponding to temperatures varying from over 17,500 °F (10,000 °C) to a few thousand degrees. |
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| The red dwarf star Mira A, located 350 light-years from Earth, is famous for its wildly varying brightness, which changes by a factor of 1,000 during every 11-month cycle. It is named for a White Dwarf Star, a small and extremely dense star. Subramanyan Chandrasekhar, nicknamed Chandra, of India had proposed that a white dwarf star eventually collapse under its own weight to form a body whose gravity is so strong that it won't even let out light: a black hole. |
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dwarf star
