Tethys, in astronomy

Tethys (tē`thĭs), in astronomy, one of the named moons, or natural satellites, of Saturn Saturn, in astronomy, 6th planet from the sun.

Astronomical and Physical Characteristics of Saturn

Saturn's orbit lies between those of Jupiter and Uranus; its mean distance from the sun is c.886 million mi (1.
..... Click the link for more information. . Also known as Saturn III (or S3), Tethys is 659 mi (1060 km) in diameter, orbits Saturn at a mean distance of 183,093 mi (294,660 km), and has equal orbital and rotational periods of 1.8878 earth days. Tethys was discovered by the Italian-French astronomer Gian Domenico Cassini Gian Domenico Cassini, 1625–1712, was born in Italy and distinguished himself while at Bologna by his studies of the sun and planets, particularly Jupiter; he determined rotational periods for Jupiter, Mars, and Venus.
..... Click the link for more information. in 1684. Tethys's low density (1.2) implies that is composed primarily of water ice. The heavily cratered satellite has two dominant surface features: one is an impact crater—called Odysseus—about 250 mi (400 km) in diameter that is quite flat and without the high wall and central peak common on the moon; the other a huge valley—called Ithaca Chasma—that is 63 mi (100 km) wide, 2.5 mi (4 km) deep, and 1,250 mi (2,000 km) long, stretching three quarters of the way around Tethys's circumference. Tethys is co-orbital with two other moons; that is, they orbit Saturn at the same distance as Tethys but precede (Telesto Telesto (təlĕs`tō), in astronomy, one of the named moons, or natural satellites, of Saturn .
..... Click the link for more information. ) and follow (Calypso Calypso, in astronomy, one of the named moons, or natural satellites, of Saturn . Also known as Saturn XIV (or S14), Calypso is a small, irregularly shaped (nonspherical) body measuring about 21 mi (34 km) by 13.5 mi (22 km) by 13.
..... Click the link for more information. ) Tethys by about 60°.

Tethys, in Greek religion and mythology

Tethys, in Greek religion and mythology, a Titan, daughter of Gaea and Uranus. She was the wife of the seagod Oceanus and the mother of the Oceanids.

Tethys

the sea that lay between Laurasia and Gondwanaland, the two supercontinents formed by the first split of the larger supercontinent Pangaea. The Tethys Sea can be regarded as the predecessor of today's smaller Mediterranean

Tethys [′tē·thəs]

(astronomy)

A satellite of the planet Saturn having a diameter of about 660 miles (1060 kilometers).

(geology)

A sea which existed for extensive periods of geologic time between the northern and southern continents of the Eastern Hemisphere.

A composite geosyncline from which many structures of the present Alpine-Himalayan orogenic belt were formed.

Tethys

goddess-wife of Oceanus. [Gk. Myth.: Brewer Dictionary, 1070]

See : Sea

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Tethys, in astronomy

Astronomical and Physical Characteristics of Saturn

Tethys, in Greek religion and mythology

Tethys