Every one of Saturn's rings has had a known moon — except the mysterious "G" ring. Now NASA's Cassini Space Probe has found the planet's 61st satellite. Meanwhile, you've voted for your next space-porn fix.

Scientists theorize that the "G" ring formed from icy debris that scattered when meteorites crashed into the newly discovered moon. Said Cornell University astronomer Matthew Hedman:

Before Cassini, the G ring was the only dusty ring that was not clearly associated with a known moon, which made it odd. The discovery of this moonlet, together with other Cassini data, should help us make sense of this previously mysterious ring.

Meanwhile, NASA was seeking your votes on where to point the Hubble Space Telescope next, and nearly half of the 140,000 voters chose an interacting pair of spiral galaxies, Arp 274, which appear to be shaking hands. The full-color image of this galactic get-together will come out during the 100 Hours of Astronomy event, April 2-5.