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EPICYCLE [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 1977-09-07

English

Subject field(s)
  • Astronomy
OBS

[Epicycle is] A circular orbit of a body in the Ptolemaic system, the center of which revolves about another circle (the deferent).

French

Domaine(s)
  • Astronomie
OBS

[Dans le système de Ptolémée] les planètes se déplacent uniformément sur des trajectoires circulaires dites "épicycles", dont les centres décrivent à leur tour d’autres cercles dits "déférents", la Terre fixe se situant en leur centre commun.

Spanish

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