30 дек 1609 г. - The First Two Laws
Описание:
In late 1609, Kepler published "Astronomia Novia" which introduced his first two laws of planetary motion. These laws are the Law of Ellipses and the Law of Equal Areas.Kepler, Johannes, and Brahe, Tycho. Astronomia nova aitiologetos [romanized]. G. Voegelinus], 1609.
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Дата:
30 дек 1609 г.
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~ 416 г назад