Galileo Galilei (1564 - 1642) - Telescope - Four moons around Jupiter - Phases of Venus - Earth is not static (jan 1, 1554 – jan 1, 1642)

Description:

He contributed to the development of the telescope, to conduct systematic astronomical observations and properly document them.
Galileo was first, who used it.

He discovered four moons around Jupiter.

He discovered the phases of Venus.

Galileo was convinced in the accuracy of Copernicus theory -> The Earth is not static. not only it revolves around Sun, but it also constantly rotates around it's own axis.



note: there is no exact date in the course.

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