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17 jul 1609 ano - Galileo Galilei decides to use the telescope for astronomical purposes.

Descrição:

Galileo Galilei makes his own refracting telescope and gets the brilliant idea of using it for astronomical purposes. This was also the year he published his very own book and mentions his new creation in it.

Adicionado na linha do tempo:

Data:

17 jul 1609 ano
Agora
~ 416 years ago

Imagens: