It was hell of a night ;)
Galileo Galilei was an Italian physicist and astronomer credited with building the first effective telescope. He also is credited with the invention of the first thermometer in 1606.
Galileo wasn't the first to make a telescope but he discovered the telescope at the age of 46.
Galileo Galilei first used the "new" telescope in 1609
Galileo perfected the telescope.
Galileo used and made the first telescope.
people think Galileo made telescope because he was the first one made up telescope
Galileo created his first telescope in around two months in 1609. It was a refracting telescope with a convex objective lens and a concave eyepiece. This instrument revolutionized astronomy and allowed Galileo to make groundbreaking astronomical observations.
after he made it
A telescope.
in his lifetime
Pythagoras Galileo was the person who made the first famous observations with a telescope.
Galileo I am not so sure he was the first, but he is the most famous.