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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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FAQ

20 set 1609 ano - Kepler says square of period of planet's orbital motion is proportional to cube of semimajor axis.

Adicionado na linha do tempo:

Data:

20 set 1609 ano
Agora
~ 416 years ago