Cassini Snaps New Image of Saturn’s Moon Tethys

The 280-mile-wide (450 km) impact crater Odysseus on Tethys stands out brightly from the rest of the illuminated crescent as seen by the NASA/ESA Cassini spacecraft. Tethys, Saturn’s fifth largest moon, was discovered in 1684 by the Italian astronomer Giovanni Domenico Cassini. The moon is a cold and heavily scarred body, about 662 miles (1,066 [...] —> Read More