单词 | Epimetheus |
释义 | Epimetheus [´ep·ǝ`mē·thē·ǝs] ASTRONOMY A satellite of Saturn which orbits at a mean distance of 151,000 kilometers (94,000 miles), near Saturn's rings, in nearly the same orbit as Janus, and has an irregular shape with an average diameter of 120 kilometers (75 miles). |
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