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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 gen 1609 anni - Kepler was a German mathematician and astronomer who helped to refine the heliocentric model with his introduction of elliptical orbits. Kepler showed why planets orbited the sun at different speeds at different times.

Aggiunto al nastro di tempo:

20 set 2018
0
0
296

Data:

1 gen 1609 anni
Adesso
~ 417 years ago