网站首页  情感咨询  情感美文  情感百科  情感生活  学习充电  旧版美文

请输入您要查询的词汇：

　

词汇 Shepherd moon
分类 英语词汇 英语翻译词典
释义

Shepherd moon

原声例句
地球实验室

Particles within the rings can be moved inwards or outwards, as these tiny objects called shepherd moons, whose gravitational force can shape and sculpt the rings themselves.

星环内的粒子可以向内或向外移动，这些微小的物体被称为牧羊卫星，它们的引力可以形成和塑造星环本身。

英语百科

Ring system (astronomy)

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.
随便看

　

依恋情感网英汉例句词典收录3870147条英语例句词条，基本涵盖了全部常用英语单词的释义及例句，是英语学习的有利工具。

　

Copyright © 2004-2024 Yiyi18.com All Rights Reserved
京ICP备2021023879号 更新时间：2025/8/6 9:19:04