He discovered it on the moon.
that the moon was not flat, it was a sphere.
Galileo Galilei was the first person to use a telescope to discover craters on the moon in 1609.
By 1609 Galileo had a telescope that magnified 20x
Galileo used his telescope to look into space where he noticed that Nicalous Copernicus was correct in saying that the Earth revolves around the sun. Which Galileo was arrested for believing.
In astronomy, he used a telescope.
He discovered it on the moon.
Galileo wasn't the first to make a telescope but he discovered the telescope at the age of 46.
Galileo galilae
Galileo
that the moon was not flat, it was a sphere.
Galileo Galilei was the first person to use a telescope to discover craters on the moon in 1609.
By 1609 Galileo had a telescope that magnified 20x
Galileo used his telescope to look into space where he noticed that Nicalous Copernicus was correct in saying that the Earth revolves around the sun. Which Galileo was arrested for believing.
Galileo saw in his telescope when it was 1995
Galileo did not discover Saturn. Saturn was known to people who lived thousands of years before Galileo. Galileo was the first person to see Saturn through a telescope, and the first to observe its rings. He made many of his observations from Venice.
The telescope, invented by Galileo in the early 1600's, allowed us to see objects better that were far away. Galileo is credited with using his first telescope to discover Jupiter's moons, Saturn's rings, and the craters and other features of our moon.