September opens with Venus hosting winter constellations in the eastern predawn sky. West of the planet, the bright star Procyon, in Canis Minor, the little dog, rises at almost the same time as ...
Saturn's rings consist of ice, dust, and rocks, with particles varying in size from small grains to large boulders. Saturn's rings are divided into several main groups, each named in alphabetical ...
The crags frame a glowing Saturn, floating huge, rings nearly edge-on, like a giant’s belt-buckle. Part of the planet is shadowed ... Released from NASA’s Cassini spacecraft, the Huygens ...