The Rings of the Outer Planets Consist of

Multiple Choice

The rings of the outer planets consist of

A) sheets of ice that stretch in round planes millions of miles wide around each planet
B) billions of chunks (of various sizes) that all orbit the equator of each planet
C) many large moons, about the size of Jupiter's moon Io, all crowded together
D) subatomic charged particles, all kept in line by each planet's magnetic field
E) millions of alien spacecraft, some of which occasionally make it to the Earth and pick up humans to experiment on