He was not the first astronomer; there were plenty before him going back to the Babylonians at least. Galileo, however, was the first to use a telescope.
Galileo was the first astronomer to describe surface features of the moon.
Galileo first used a telescope to observe the sky.
Galileo Galilei
Galileo Galilei (from italy)
Was te astronomer Galileo an important and influential member of the Florentine Camerata
Galileo was the first astronomer to describe surface features of the moon.
Galileo first used a telescope to observe the sky.
Galileo I am not so sure he was the first, but he is the most famous.
Galileo.
Galileo
Galileo Galilei
Galileo.
Galileo Galilei
The Italian astronomer and physicist Galileo wrote the first scientific description of the moon
Galileo in 1609
Probably Galileo Galilei (Astronomer and Physicist, 1564 -1642)
Galileo Galilei (from italy)