Exam 9: Moons, Rings, and Plutoids: Small Worlds Among Giants

If Uranus takes 84 years to orbit the Sun, and Voyager 2 found its rings wide open at solstice in 1989, when will or did they next appear edge on, as seen from Earth?

Which are the four Galilean moons of Jupiter?

Pluto's density is most similar to

Which element is critical to the formation of the volcanic surface of Io?

Methane drives the weather of Titan, for there it can be liquid, solid, or gas.

The haphazard terrain of Miranda suggests it was broken up by impact after it had differentiated, then fell back together as a jumbled maze.

The weak magnetic fields around Europa and Ganymede were found during flybys of

Which moon orbits a body only twice as big as it is?

Compared to the size of Mercury, Ganymede is .

Based on its orbit, give two reasons to revoke Pluto's planetary status.

The brightest and probably youngest surface of any moon of Saturn belongs to

What makes the surface of Mimas so striking?

It is likely that both Pluto and Triton were originally _.

The largest moon in the solar system, bigger but NOT as massive as Mercury, is

What is true of Titan's atmosphere?

Which moon of Saturn shows the largest impact crater, relative to its size?

Like Jupiter's other icy moons, Europa is covered with craters.

Neptune has a single, broad ring that is extremely thin.

Pluto is probably one of the largest of the Kuiper Belt bodies beyond Neptune.

Saturn's rings are extremely old, possibly older than four billion years.