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quasar

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noun qua·sar \ˈkwā-ˌzär also -ˌsär\

Simple Definition of quasar

  • astronomy : a very bright object in space that is similar to a star and that is very far away from the Earth and gives off powerful radio waves

Source: Merriam-Webster's Learner's Dictionary

Full Definition of quasar

  1. :  any of a class of celestial objects that resemble stars but whose large redshift and apparent brightness imply extreme distance and huge energy output


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