| 单词 | radar astronomy |
| 释义 | > as lemmasradar astronomy radar astronomy n. a branch of astronomy in which radar is used to observe nearby astronomical objects. ΚΠ 1950 Evening Capital (Annapolis, Md.) 19 Aug. 4/3 A pioneer in the new field of radar astronomy. 1987 B. Lovell in P. Moore Astron. Encycl. 344/1 Although paraboloidal or other forms of radio telescope are used, radar astronomy is distinguished from radio astronomy, which involves only the reception of radio waves having a natural origin in the universe. 2003 Science 17 Oct. 403/1 In Star Wars, a gas giant's jungle moon..drifts inexorably into the powerful beam of the Death Star. This scene closely mirrors a recent development in radar astronomy. < as lemmas |
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