Saturn
/ˈsætən/1
- Roman Mythology an ancient god, regarded as a god of agriculture. Greek equivalent
C RONUS.【罗马神话】萨图恩（农神, 相当于希腊神话中的CRONUS）。 - ORIGIN: from Latin Saturnus, perhaps from Etruscan.
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- Astronomy the sixth planet from the sun in the solar system, circled by a system of broad flat rings【天文】土星。
- Saturn orbits between Jupiter and Uranus at an average distance of 1,427 million km from the sun. It is a gas giant with an equatorial diameter of 120,000 km, with a conspicuous ring system extending out to a distance twice as great. The planet has a dense hydrogen-rich atmosphere, similar to that of Jupiter but with less distinct banding. There are at least eighteen satellites, the largest of which is Titan, and including small shepherd satellites that orbit close to two of the rings.
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- a series of American space rockets, of which the very large Saturn V was used as the launch vehicle for the Apollo missions of 1969-72土星运载火箭（美国的一系列太空火箭, 其中大型的“土星5号”曾被用作1969-1972年阿波罗计划的运载工具）。