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red dwarf Definition

red dwarf

noun

a star that is cooler on its surface, smaller, and of fainter luminosity than the sun

red dwarf Usage Examples

Converse of object

  • orbit: The extrasolar planet is five times as massive as Earth and orbits a red dwarf, a relatively cool star, every 10 years.
  • call: Small stars ( called red dwarfs ) burn their fuel very slowly and last tens to hundreds of billions of years.