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词汇 Planetary ring
分类 英语词汇 英语翻译词典
释义

Planetary ring

原声例句
假如有如果

Having planetary rings visible in the sky would look way more spectacular than just one grey rock, right?

仰望空中的行星环会比看到一块灰暗的石头更壮观，对吗？

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.
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