Jet streams churn east and west across Saturn, giving the planet a banded appearance. A new study in the journal Icarus explains how heat from within the planet powers those jet streams. (News release can be found here.)

		Jun 25, 2012:	Eddy-Powered Jet Stream - This figure examines a particularly strong jetstream and the eddies that drive it through the atmosphere of Saturn's northern hemisphere.
		Jun 25, 2012:	Strong Jet in False Colors - A particularly strong jetstream churns through Saturn's northern hemisphere in this false-color view from NASA's Cassini spacecraft.