| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,763,628,195 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Mimas |
Also found in: Dictionary/thesaurus, Acronyms, Wikipedia | 0.05 sec. |
|
Mimas (mī`măs), 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 SaturnSaturn'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 I (or S1), Mimas is 244 mi (392 km) in diameter, orbits Saturn at a mean distance of 115,275 mi (185,520 km), and has equal orbital and rotational periods of 0.942 earth days. Mimas was discovered by the English astronomer Sir William Herschel Herschel (hûr`shəl), family of distinguished English astronomers. ..... Click the link for more information. in 1789. Its low density (1.17) indicates that it is composed mostly of water ice with only a small amount of rocky material. The surface is saturated with impact craters. The largest by far—called Herschel—has a diameter of more than 80 mi (130 km), almost a third the diameter of the entire satellite; the walls of this crater are about 3 mi (5 km) high, parts of the floor are about 6 mi (10 km) deep, and the central peak towers almost 4 mi (6 km) above the floor of the crater. Fractures can be seen on the opposite side of Mimas that may have resulted from the same impact. Mimas forms a satellite pair with Tethys Tethys (tē`thĭs), in astronomy, one of the named moons, or natural satellites, of Saturn . ..... Click the link for more information. ; that is, the two moons interact gravitationally. Mimas [′mē·mäs] (astronomy) A satellite of Saturn orbiting at a mean distance of 115,300 miles (186,000 kilometers). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in classic literature | |
|---|---|---|
| Later on Menelaus joined us at Lesbos, and found us making up our minds about our course--for we did not know whether to go outside Chios by the island of Psyra, keeping this to our left, or inside Chios, over against the stormy headland of Mimas. And the Centaurs were gathered against them on the other side with Petraeus and Asbolus the diviner, Arctus, and Ureus, and black-haired Mimas, and the two sons of silver, and they had pinetrees of gold in their hands, and they were rushing together as though they were alive and striking at one another hand to hand with spears and with pines. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|