Suppose You Could Float in Space Just a Few Meters

Multiple Choice

Suppose you could float in space just a few meters above Saturn's rings.What would you see as you looked down on the rings?

A) a solid,shiny surface,looking much like a piece of a DVD but a lot bigger
B) countless icy particles,ranging in size from dust grains to large boulders
C) dozens of large "moonlets" made of metal and rock,each a few kilometers across
D) Nothing-up close,the rings would be so completely invisible that you'd have no way to know they are there.They can be seen only from a distance.