Tethys is the fifth-largest moon of Saturn, measuring about 1,060 km across. It was discovered by Giovanni Domenico Cassini in 1684, and is named after the titan Tethys of Greek mythology.
Tethys imaged by the Cassini orbiter, October 2009
Giovanni Domenico Cassini, discoverer of Tethys
Tethys – Red Arcs (11 April 2015)
Cassini view of Tethys's Saturn-facing hemisphere, showing the giant rift Ithaca Chasma, crater Telemachus at top, and smooth plains at right
In Greek mythology, Tethys was one of the Titans, the children of Uranus and Gaia, the sister and wife of the Titan Oceanus, and the mother of the river gods and the Oceanids. Although Tethys had no a
Tethys (moon)
…fifth-largest moon of Saturn, measuring about 1,060 km (660 mi) across. It was discovered by Giovanni Domenico Cassini in 1684, and is named after the titan Tethys of Greek mythology. Tethys has a low density of 0.98 g/cm3, the lowest of all the major moons in the Solar System, indicating that it is made of water…
Mosaic (detail) of Tethys from Alexandretta
Mosaic (detail) of Tethys, from Philipopolis (modern Shahba, Syria), fourth-century AD, Shahba Museum.
Detail of Tethys attending the wedding of Peleus and Thetis on an Attic black-figure dinos by Sophilos, c. 600–550 BC, British Museum 971.11–1.1.
Mosaic (detail) of Tethys and Oceanus, excavated from the House of Menander, Daphne (modern Harbiye, Turkey), third century AD, Hatay Archaeology Museum 1013.