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dec 31, 265 BC - Apollonius (265-190 BC)

Description:

Apollonius, developed the concept of epicycles to account for the retrograde motion of the planets as viewed from earth. In his model, the planets followed their own circular paths as they moved in their circle around Earth. The model was accpeted and later refined by Hipparchus. This model is Heliocentric.

Added to timeline:

10 months ago
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0
126
Models of the Universe

Date:

dec 31, 265 BC
Now
~ 2286 years ago

Images:

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