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Deferent and epicycle

In the Hipparchian, Ptolemaic, and Copernican systems of astronomy, the epicycle (from Ancient Greek ἐπίκυκλος (epíkuklos) 'upon the circle', meaning "circle moving on another circle") was a geometric model used to explain the variations in speed and direction of the apparent motion of the Moon, Sun, and planets. In particular it explained the apparent…

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Overview

Introduction

History

The number of epicycles

Mathematical formalism

Epicycles and the Catholic Church

As an example of bad science

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Deferent and epicycle

Nodes97
Edges96
Triples20
Avg. degree1.98
Density0.020619
Components1

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Deferent and epicycle

Top relations

related to Epicycles and the Catholic Church · 14
Deferent and epicycle → Being, Church's, Copernicus, Earth, Galileo, Galileo's, Kepler, Later, Sun, The Tychonic, To Brahe, Tycho Brahe, Tycho Brahe's, When Galileo

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Important terminology

planets epicycles system motion epicycle copernicus deferent used sun time model number orbits earth ptolemy's heliocentric century ptolemy ptolemaic apparent

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the Greeks had thinkers like Thales of Miletusinstance ofOther early civilizations0.80text
the first to documentinstance ofOther early civilizations0.80text
predict a solar eclipseinstance ofOther early civilizations0.80text
Tycho Braheinstance ofLater adopters of the epicyclic model0.80text
who considered the Church's scriptures when creating his modelinstance ofLater adopters of the epicyclic model0.80text
were seen even more favorablyinstance ofLater adopters of the epicyclic model0.80text
Deferent and epicyclerelated to Epicycles and the Catholic ChurchBeing0.60section
Deferent and epicyclerelated to Epicycles and the Catholic ChurchCopernicus0.60section
Deferent and epicyclerelated to Epicycles and the Catholic ChurchKepler0.60section
Deferent and epicyclerelated to Epicycles and the Catholic ChurchGalileo0.60section
Deferent and epicyclerelated to Epicycles and the Catholic ChurchLater0.60section
Deferent and epicyclerelated to Epicycles and the Catholic ChurchTycho Brahe0.60section

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    Min side: 3
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