Skip to content
Skip to main content

About this free course

Download this course

Share this free course

Moons of our Solar System
Moons of our Solar System

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

2.8 Are ring-particles moons?

Here’s a question for you to think about. Is it acceptable to refer to small ring-particles as moons, given that there is no official lower size limit to define a moon?

Described image
Figure _unit2.3.4 Figure 31 An oblique view across part of Saturn’s rings, as seen by NASA’s Cassini orbiter. The view is about 1000 km across