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English definition of “quasar”

quasar

noun [C]     /ˈkweɪ.zɑːr/ US  /-zɑːr/ specialized
the centre of a galaxy (= group of stars ) that is very far away, producing large amounts of energy Stars and constellations
(Definition of quasar noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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