Equant
id:
equant-250-17877448
title:
Equant
text:
Equant is a mathematical concept developed by Claudius Ptolemy in the 2nd century AD to account for the observed motion of the planets. The equant is used to explain the observed speed change in different stages of the planetary orbit. This planetary concept allowed Ptolemy to keep the theory of uniform circular motion alive by stating that the path of heavenly bodies was uniform around one point and circular around another point. Ptolemy does not have a word for the equant – he used expressions
brand slug:
wiki
category slug:
encyclopedia
description:
Outdated measure of planetary orbits
original url:
https://en.wikipedia.org/wiki/Equant
date created:
date modified:
2023-10-04T14:40:51Z
main entity:
{"identifier":"Q1965418","url":"https://www.wikidata.org/entity/Q1965418"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/29/Ptolemaic_elements.svg","width":168,"height":168}
fields total:
13
integrity:
15