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22h 40min, dec 31, 1619 y - Kepler's Theory

Description:

theory of Nicolaus Copernicus, explaining how the planets' speeds varied, and using elliptical orbits rather than circular orbits with epicycles.

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Solar system theories

ByLouise Personeni

30 Oct 2017

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Date:

22h 40min, dec 31, 1619 y

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~ 406 years ago

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