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Centaur group

A group of unusual bodies in the outer Solar System, possibly giant icy planetesimals or cometary nuclei. Group members have orbits which lie roughly between those of Jupiter and Neptune, ...

Centaur group

Centaur group   Quick reference

A Dictionary of Astronomy (3 ed.)

Reference type:
Subject Reference
Current Version:
2018

... group A group of unusual bodies in the outer Solar System, possibly giant icy planetesimals or cometary nuclei. Group members have orbits which lie roughly between those of Jupiter and Neptune, in most cases crossing the orbits of one or more of the outer planets, and periods in the range 20–200 years. The first to be discovered were Chiron , in 1977 , and Pholus , in 1992 . Centaurs have diameters in the range 50–300 km, but there may be many smaller members still undiscovered. They are thought to be derived from the Kuiper Belt and are now...

Centaur group

Centaur group  

A group of unusual bodies in the outer Solar System, possibly giant icy planetesimals or cometary nuclei. Group members have orbits which lie roughly between those of Jupiter and Neptune, in most ...
Pholus

Pholus  

Asteroid 5145, an unusual object in the outer Solar System, discovered in 1992 by the American astronomer David Lincoln Rabinowitz (1960– ). Pholus lies well outside the main asteroid belt, moving ...
Mausoleum at Halicarnassus

Mausoleum at Halicarnassus  

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One of the Seven Wonders of the ancient world, it was the tomb of the satrap Mausolus of Caria. Begun shortly after 367, when Mausolus refounded Halicarnassus, it was finished after his wife ...
imagery

imagery  

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The identification of scenes in sculpture, painting and the minor arts has long been a major activity of classical archaeology, although it has traditionally been accorded less emphasis than the ...
art, funerary, Greek

art, funerary, Greek  

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Archaic period(c.700–c.480). The period's chief innovations were the funerary statue and carved gravestone. Kouroi (standing, usually nude, youths) marked graves on Thera by c.630. Funerary korai ...
Greek education

Greek education  

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1. Early PeriodGreek ideas of education (paideia) encompassed upbringing and cultural training in the widest sense, not merely schooling. The poets were regarded as the educators of society, esp. in ...
Giambologna

Giambologna  

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(b Douai [now in France], 1529; d Florence, 13 Aug. 1608).Flemish-born Italian sculptor. He was the greatest sculptor of the age of Mannerism and for about two centuries after his death his ...
Centaurs

Centaurs   Reference library

The Oxford Encyclopedia of Ancient Greece and Rome

Reference type:
Subject Reference
Current Version:
2010
Subject:
Classical studies, History
Length:
907 words

...quarter of the eighth century, when small Centaurs in the Geometric style were cast in bronze as votive dedications. Among these is a group in the Metropolitan Museum of Art, said to be from Olympia, with a Centaur battling a human warrior. The suggestion of narrative invites identification with mythical fights known from later works and literary accounts, but in this early period it is difficult to identify specific combats. It was not until the seventh century that recognizable battles between heroes and Centaurs began to occur on bronze plaques and painted...

Pholus

Pholus   Quick reference

A Dictionary of Astronomy (3 ed.)

Reference type:
Subject Reference
Current Version:
2018

...unusual object in the outer Solar System, discovered in 1992 by the American astronomer David Lincoln Rabinowitz ( 1960– ). Pholus lies well outside the main asteroid belt, moving from near the orbit of Saturn out to beyond the orbit of Neptune. It was the second of the Centaur group to be discovered. Pholus is estimated to be 190 km in diameter. Its extremely red spectrum is suggestive of a comet but, unlike Chiron , Pholus seems inactive near perihelion. Its orbit has a semimajor axis of 20.38 au, period 91.99 years, perihelion 8.72 au, aphelion...

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