Did you know - how many of our planets have rings?

http://s3.amazonaws.com/ciclops_ir_2011/6698_16165_1.jpg

Four - all of the gas giants: Saturn, Jupiter, Neptune and Uranus.

They're just not all as visible as the glorious rings around Saturn.

Here's a good article about the rings around Uranus (snicker, snicker).

via @BadAstronomer