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1 gen 1609 anni - Keplers first 2 laws of planetary motion

Descrizione:

His first law was that every planet´s orbit is an ellipse with the sun at a focus. his second law was that a line joining the sun and a planet sweeps out equal areas at equal times.

Aggiunto al nastro di tempo:

Data:

1 gen 1609 anni
Adesso
~ 417 years ago