Two of Saturn's moons merge into one...or so it would seem

The universe has so many dazzling sights that it seems silly to waste time on optical illusions. But some are just too amazing to ignore, like this shot of Saturn's moons Dione and Rhea seemingly morphing together into one mega-moon. » 9/26/10 3:45pm 9/26/10 3:45pm

Double Moon Transit Glows In Saturn's Night Sky

Late last year, the Cassini spacecraft caught this amazing show in Saturn's skies. You're seeing possibly waterlogged moon Enceladus crossing in front of much larger moon Rhea - over a period of minutes. A lovely show. » 2/10/10 3:12pm 2/10/10 3:12pm