mars
he made phrases of the moon and first to use a telescope
he made phrases of the moon and first to use a telescope
The Italian astronomer Galileo Galilei was the first to observe that the moon had craters. He made this discovery in 1609 through his telescope.
Galileo wasn't the first to make a telescope but he discovered the telescope at the age of 46.
Note that Galileo did not invent the telescope. He was, however, the first person to use a telescope to examine the heavens. Previously, telescopes had only been used to look at distant locations here on Earth.
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.
A telescope.
after he made it