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Pallas
Pallas Asteroid 2, the second asteroid to be discovered, by H. W. M.Olbers in 1802. Its shape is a triaxial ellipsoid, 570 × 525 × 482 km, giving a mean diameter similar to that of Vesta; its rotation period is 7.81 h. Its mass is 3.2 × 1020kg, also similar to that of Vesta, and its density is 4.2. Pallas is of B class, with a spectrum similar to that of the carbonaceous chondrite meteorites. Its mean magnitude at opposition is 8.0; only Vesta and Ceres can become brighter. Its orbit has a semimajor axis of 2.773 AU, period 4.62 years, perihelion 2.14 AU, aphelion 3.41 AU, and an unusually high inclination of 34°.9.
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"Pallas." A Dictionary of Astronomy. 1997. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. "Pallas." A Dictionary of Astronomy. 1997. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O80-Pallas.html "Pallas." A Dictionary of Astronomy. 1997. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-Pallas.html |
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Pallas
Pallas 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. |
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"Pallas." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. "Pallas." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1E1-Pallas2.html "Pallas." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-Pallas2.html |
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Pallas
Pallas , in astronomy, 2d asteroid 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 and a period of 1,684 days. |
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Cite this article
"Pallas." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. "Pallas." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1E1-Pallas1.html "Pallas." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-Pallas1.html |
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Pallas
Pallas The second largest (after Ceres) solar system asteroid (No. 2), diameter 538 km; approximate mass 25 × 1019 kg; rotation period 7.811 hours; orbital period 4.61 years. It was discovered in 1802 by H. Olbers.
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AILSA ALLABY and MICHAEL ALLABY. "Pallas." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "Pallas." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-Pallas.html AILSA ALLABY and MICHAEL ALLABY. "Pallas." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Pallas.html |
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Pallas
Pallas in Greek mythology, one of the names (of unknown meaning) of Athene.
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ELIZABETH KNOWLES. "Pallas." The Oxford Dictionary of Phrase and Fable. 2006. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. ELIZABETH KNOWLES. "Pallas." The Oxford Dictionary of Phrase and Fable. 2006. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O214-Pallas.html ELIZABETH KNOWLES. "Pallas." The Oxford Dictionary of Phrase and Fable. 2006. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O214-Pallas.html |
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Pallas
Pallas (Pailís) Galway, Kerry. ‘Stockade’.
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A. D. MILLS. "Pallas." A Dictionary of British Place-Names. 2003. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. A. D. MILLS. "Pallas." A Dictionary of British Place-Names. 2003. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O40-Pallas.html A. D. MILLS. "Pallas." A Dictionary of British Place-Names. 2003. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O40-Pallas.html |
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Pallas
Pallas •Callas, callous, callus, Dallas, Pallas, phallus
•Nablus • manless
•hapless, mapless
•atlas, fatless, hatless
•braless, parlous
•armless • artless
•jealous, zealous
•endless • legless • sexless • airless
•talus • bacillus • windlass • Nicklaus
•obelus • strobilus
•acidophilus, Theophilus
•angelus • Aeschylus • perilous
•scurrilous • Wenceslas • nautilus
•Silas, stylus
•jobless
•godless, rodless
•Patroclus • topless • coxless
•lawless, oarless
•Aeolus, alveolus, bolas, bolus, gladiolus, holus-bolus, solus, toeless
•Troilus • Douglas • useless • Tibullus
•garrulous • querulous • fabulous
•miraculous • calculus • famulus
•crapulous • patulous • nebulous
•credulous, sedulous
•pendulous • regulus
•emulous, tremulous
•bibulous • acidulous
•meticulous, ridiculous
•mimulus, stimulus
•scrofulous • flocculus • Romulus
•populace, populous
•convolvulus
•altocumulus, cirrocumulus, cumulus, stratocumulus, tumulus
•scrupulous
•furunculous, homunculus, ranunculus
•Catullus • troublous
•gunless, sunless
•cutlass, gutless
•earless • Heliogabalus
•libellous (US libelous) • discobolus
•scandalous • Daedalus • astragalus
•Nicholas • anomalous • Sardanapalus
•tantalus
•marvellous (US marvelous)
•frivolous • furless • surplus
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"Pallas." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>. "Pallas." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O233-Pallas.html "Pallas." Oxford Dictionary of Rhymes. 2007. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-Pallas.html |
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