单词 | Copernicus |
释义 | Copernicus /koh perr"ni keuhs, keuh-/, n. 1. Nicolaus /nik'euh lay"euhs/, (Mikolaj Kopernik), 1473-1543, Polish astronomer who promulgated the now accepted theory that the earth and the other planets move around the sun (the Copernican System). 2. a crater in the second quadrant of the face of the moon, having an extensive ray system: about 56 mi. (90 km) in diameter from crest to crest with walls rising about 12,000 ft. (3650 m) from its floor; having several central mountains the highest being about 2400 ft. (730 m). |
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