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Pallas |
Also found in: Wikipedia, Hutchinson | 0.04 sec. |
Pallas, in astronomyPallas (păl`əs), in astronomy, 2d asteroid asteroid, planetoid, or minor planet, small body orbiting the sun. More than 10,000 asteroids have orbits sufficiently well known to have been cataloged and named; thousands more exist...... Click the link for more information. to be discovered. It was found in 1802 by H. Olbers. The second largest asteroid, it has a diameter of c.300 mi (480 km). Its orbit has a semimajor axis of 2.78 astronomical units astronomical unit (AU), mean distance between the earth and sun; one AU is c.92,960,000 mi (149,604,970 km). The astronomical unit is the principal unit of measurement within the solar system, e.g., Mercury is just over 1-3 AU and Pluto is about 39 AU from the sun. ..... Click the link for more information. and a period of 1,684 days. Pallas, in classical mythologyPallas (păl`əs), in classical mythology.1 Name given to Athena after she killed either a youthful playmate named Pallas or, in some legends, the giant Pallas. 2 Goatish giant killed by Athena when he tried to rape her. 3 Titan, son of Creus and Eurybia, husband of Styx, and father of Nike. 4 In Vergil's Aeneid, son of Evander and an ally of Aeneas. Pallas [′pal·əs] (astronomy) The second-largest asteroid, with a diameter of about 324 miles (540 kilometers), mean distance from the sun of 2.769 astronomical units, and C-type surface composition. 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. |
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