25 lugl 1619 anni - 1619 A.D. Germany The Third Law of Planetary Motion is publicized Kepler, which states, The squares of the sidereal periods (of revolution) of the planets are directly proportional to the cubes of their mean distances from the Sun.
Aggiunto al nastro di tempo:
Data:
25 lugl 1619 anni
Adesso
~ 406 years ago