after he made it
Galileo first used a telescope to observe the sky.
A telescope.
Galileo was the first person to use a telescope for technological uses.
Galileo
Galileo
Galileo
Galileo !
Galileo I am not so sure he was the first, but he is the most famous.
Galileo was the first person to use a telescope for astronomical research.
Galileo Galilei.
Galileo Galilei.
Galileo galilie galolo