at his lab in 1593.
yeah
The telescope was actually invented by Hans Lippershey in 1608; Galileo merely improved it.
He improved on the existing telescope around 1609
Galileo galilei invented the astronomic telescope Galileo galilei invented the astronomic telescope
He didn't he improved the existing telescope and turned it to astronomical use around 1609
yes he used it when he discovered all the moons of jupiter
Galileo Galilei didn't actually invent the telescope but he made vast improvements to the first design.
Galileo Galilei first used the "new" telescope in 1609
Galileo Galilei invented a number of things. One of them was a telescope that allowed him to discover Saturn's first four moons. Galileo was an Italian astronomer.
Galileo Galilei
The telescope.
Galileo Galilei