Stunning vortex appears on Saturn’s moon, puzzles scientists

"NASA's Cassini orbiter has already taken some
stunning photos of Saturn and its moons, but the
latest snapshot from the multi-billion-dollar mission
might be its most impressive yet. After swinging
down to the southern hemisphere of Titan — Saturn's
largest moon — the high-powered orbiter captured
images of a massive vortex forming at its pole, and
scientists can only guess as to why it's suddenly
appeared."

See:

http://news.yahoo.com/blogs/technolo...200752158.html