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单词 Iapetus
释义

Iapetus

/ʌɪˈapɪtəs /
Astronomy
A satellite of Saturn, the seventeenth closest to the planet, having one bright icy side and one very dark side, discovered by Cassini in 1671 (diameter 1,440 km).

Origin

Named after a Titan of Greek mythology, son of Uranus (Heaven) and Gaia (Earth).

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更新时间:2024/12/23 1:17:09