单词	radio galaxy
释义	radio galaxy noun : a galaxy that is a powerful source of radio waves Example Sentences Recent Examples on the Web The galaxy, which is named Alcyoneus, is a giant radio galaxy. Joshua Hawkins, BGR, 19 Feb. 2022 MeerKAT is already trying to find similarly gargantuan filaments in other radio galaxies. Robin George Andrews, Scientific American, 16 Apr. 2020 Word History First Known Use 1959, in the meaning defined above
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