They concluded that there must be a ring system around the planet.

The ring system may be relatively young and did not form at the same time as Uranus.

The ring system was created when several moons crashed together.

Four of Neptune's 13 moons are inside the ring system.

The drive flame from that thing must have roiled the whole ring system.

A gas giant's ring system is a big place.

Pluto may have up to 10 moons, along with at least one ring system, according to a new study.

They'd have turned it into a ring system, or a cloud of radioactive steam.

Are we just lucky enough to see Saturn at precisely the right time when its ring system is big and active?

This is interesting: The station was actually positioned directly above a planetary ring system.

Pluto is not known to have any ring systems.

This procedure is one of the key methods to form fused ring systems.

Its long shadow also tracks across the ring system.

However, the magnitude range for Saturn also depends on its ring system as explained below.

This was the same procedure they had always followed in new ring systems, and it had worked well before.

The chemistry of these ring systems is particularly striking.

In this example the ring system can be thought of as analogous to butadiene.

It also showed that the ring system is made up of thousands of individual rings.

He also worked on the syntheses of multi-membered ring systems.

Saturn is the second-largest planet, with a large and bright ring system.

The ring system is what makes Saturn so beautiful, so intriguing.

Greenstalk had visited eight ring system civilizations in her life.

"Ensign, take us out of orbit and set course for the ring system.

Somebody who'd take time, when the ships drifted through the ring systems of worlds never seen before, to consider what was being accomplished.

This bell ringing system was originally designed for an ensemble of four or five bells.