Exam 12: Saturn: Spectacular Rings and Mysterious Moons

At Titan, the weather is driven by phase changes of ________ gas into liquid or solid forms.

Compare the rotations and oblateness of Jupiter and Saturn.

What is exceptional about the rotation of Hyperion? Give a possible explanation.

What mission landed on Titan in early 2005?

One of the most popular symbols of astronomy is Saturn with its system of rings. Describe thestructure and makeup of these rings.

How many large moons does Saturn have?

Titan has surface, liquid lakes. Describe these lakes, including their composition, the rolewater plays, and whether these lakes are unchanging.

Saturn's cloud layers are thicker than Jupiter's, due to Saturn's ________ gravity.

Although it is almost the same size as Jupiter, Saturn's gravity is about 2.5 times less, becauseof Saturn's lower mass and density.

Storms on Saturn have been seen to begin as a(n)________, then grow into a band of cloudsencircling the planet.

Which of the following played the most important role in the ring's formation?

Saturn is the only planet with a ring system.

The moon with an atmosphere denser than ours is ________.

Saturn is almost the same size as ________, but only half as dense.

While not yet observed in eruption, it is likely that ________ has active volcanoes; itcertainly has one hemisphere greatly reworked by tectonic and volcanic forces.

The "wispy terrain" on Rhea was revealed by the Cassini spacecraft to be:

Saturn's two shepherd moons herd the particles in the F ring.

Saturn's orbit is more elliptical than Jupiter's, and its tilt is much larger as well.

Why is Titan considered so interesting?

Saturn's cloud surface appears more uniform than Jupiter's because: