On Dec. 31, 2004, NASA’s Cassini spacecraft flew by Iapetus, Saturn’s third largest moon. Iapetus was discovered by the Italian astronomer Giovanni Cassini in 1671. NASA’s Cassini craft flew by the ...
Between 1671 and 1684, Giovanni Cassini identified four moons of Saturn—Iapetus, Rhea, Tethys, and Dione—collectively designating them "Sidera Lodoicea." Rhea, discovered on December 23, 1672, is ...
Also known as the Grey Sisters, the Graeae are a trio of wizened sisters who share a single tooth and eye between the three of them. Daughters of Ceto and Phorcys, a pair of primordial sea deities, ...