单词	radar astronomy
释义	radar astronomy noun : astronomy in which celestial bodies in the solar system are studied by analyzing the return of radio waves directed at them Example Sentences Recent Examples on the Web The observatory’s instruments were used by scientists around the world to conduct research in the areas of atmospheric sciences, planetary sciences, radio astronomy and radar astronomy, according to UCF. Joe Mario Pedersen, orlandosentinel.com, 1 Dec. 2020 Word History First Known Use 1959, in the meaning defined above
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