Johannes Kepler (27 déc. 1571 – 15 nov 1630)
Description:
German astronomerHe discovered that planets moved in an ellipse shaped orbit with the Sun as a focal point.
He discovered that the length of time a planet takes to move around the Sun is related to the radius of a planet's orbit.
Ajouté au bande de temps:
Date:
27 déc. 1571
15 nov 1630
~ 58 years