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15 jan 1609 ano - Mars has an elliptical orbit

Descrição:

Johannes Kepler published Astronomia Nova, which contains the two laws of planetary motion. His first law, which was a revolutionary idea at the time, assumes that Mars has an elliptical orbit. Prior to this, people believed that all orbits must have been circular.

Adicionado na linha do tempo:

29 jan 2018

Data:

15 jan 1609 ano
Agora
~ 415 years ago

Imagens: