brown dwarf

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NounEdit

brown dwarf (plural brown dwarfs or brown dwarves)

  1. (astronomy) A starlike object that contracts to about the volume of the planet Jupiter after its formation phase; its mass may range from several times that of Jupiter, such that it fuses deuterium, up to just below the threshold of sustained hydrogen fusion.

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Last modified on 11 January 2014, at 02:03