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词汇 Shepherd Satellite
分类 英语词汇 英语翻译词典
释义

Shepherd Satellite

中文百科

行星环 Ring system

(重定向自Shepherd Satellite)
土星的F环和牧羊犬卫星普罗米修斯和潘朵拉。
伽利略号 的木星主环影像。

卡西尼号 的土星环马赛克影像。
航海家2号的天王星环影像。

行星环是指围绕着行星运转的宇宙尘和小颗粒形成扁平盘状的区域。最广为人知的行星环就是围绕着土星的土星环,但是太阳系的其他三颗气体巨星(木星、天王星和海王星)也都有自己的行星环。

最近的报告 认为土星的卫星丽亚可能也有自己的环系统,它可能成为唯一拥有自己的环系统的卫星。

英语百科

Ring system (astronomy) 行星环

(重定向自Shepherd Satellite)
The moons Prometheus (right) and Pandora orbit just inside and outside the F ring of Saturn, but only Prometheus is believed to function as a ring shepherd.
The ring swirling around Saturn consists of chunks of ice and dust. The little dark spot on Saturn is the shadow from Saturn's moon Enceladus.
A Galileo image of Jupiter's main ring.

A Cassini mosaic of Saturn's rings.

A ring system is a disc or ring orbiting an astronomical object that is composed of solid material such as dust and moonlets, and is a common component of satellite systems around giant planets. A ring system around a planet is also known as a planetary ring system.

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