Galileo made his telescope in 1609, based on descriptions of instruments made in the Netherlands a year earlier. Despite what a depressingly large number of people would have you believe, he did not invent the telescope (though his was arguably an improvement upon the earlier ones).
Galileo galilei invented the astronomic telescope Galileo galilei invented the astronomic telescope
the theory of how to make a telescope
Galileo Galilei first used the "new" telescope in 1609
Galileo Galilei
The telescope.
Galileo Galilei
Galileo Galilei's first telescope was made in the city of Padua, Italy, where he was a professor at the University of Padua.
yeah
Galileo Galilei
with a telescope. he invented it.
at his lab in 1593.
Galileo Galilei was the famous explorer!!! Galileo Galilei was the famous explorer!!!