Deferent and epicycle
Deferent and epicycle The basic elements of Ptolemaic astronomy, showing a planet on an epicycle with a deferent and an equant. In the Ptolemaic system of astronomy, the epicycle (literally: on the circle in Greek) ...
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Talk:Deferent and epicycle
Talk:Deferent and epicycle I ran across someone elsewhere (slashdot) mentioning ... equivalent to the following: we add one epicycle on another one. However, it's not ...
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Épicycle   (translated from French)
... on a épicycle which itself turns on deferent. This system makes it possible to model ... it acts of a circle centered on deferent, another circle centered on the Earth. According ... center describes a uniform movement on the deferent one. It describes one then epicycloid who ...
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Hipparchus (astronomer)
... on a secondary circular orbit, called an epicycle, that itself would move uniformly (with some ... main circular orbit around the Earth, called deferent; see deferent and epicycle. Apollonius demonstrated that these two models were ... this separately for the eccentric and the epicycle model. Ptolemy describes the details in ...
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Ptolemaic system
... Ptolemaic astronomy, showing a planet on an epicycle with a deferent and an equant point. According to the ... sphere which is centered on Earth (the deferent), and another sphere (the epicycle) embedded within the deferent. The epicycle rotates within the deferent, ...
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User:Sj/scraps
... 45 . . Willy on Wheels (Talk) * (undo) (hist) . . Deferent and epicycle moved to Deferent and epicycle is Jewish; 00:45 . . Willy on Wheels (Talk) * (undo) (hist) . . Talk:Deferent and epicycle moved to Talk:Deferent ...
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Heliocentrism   (translated from French)
... It reconstitutes a system then complexes the deferent ones and épicycles. Copernic thinks that the ... In the same way, the center of deferent of the planets (O m for that ... turn around a épicycle centered on their deferent. Lune , it, always turns around the Earth (with a system of épicycle and deferent). Its treaty Revolutionibus Orbium Coelestium appears in ...
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Geocentrism   (translated from French)
... on a épicycle which itself turns on deferent. This system makes it possible to model ... turning them even on another wheel - called deferent - whose center is the Earth. The simultaneous ... on which turns the center of the deferent one. The Earth is, it, with symmetrical ...
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Talk:History of physics
... following a complicated sytsem of epicycles - see Deferent and epicycle page for details. Neither Ptolemy, other scientists ... modified this and added links to the deferent and epicycle page which explains Ptolemy's system in ...
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Epicycloid
... chosen point of a circle — called epicycle — which rolls around without slipping around ... is a special kind of epitrochoid. An epicycle with one cusp is a cardioid. An ... are similar.[1] See also: cycloid, hypocycloid, deferent and epicycle.
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