Galileo Galilei was the famous explorer!!! Galileo Galilei was the famous explorer!!!
Galileo
A telescope.
The telescope was invented by Hans Lippershey, a spectacle maker from the Netherlands, in 1608. However, another spectacle maker and astronomer, Galileo Galilei, was the first to use the telescope for astronomical purposes in 1609.
By 1609 Galileo had a telescope that magnified 20x
Yes they where by Galileo in 1609.
He improved on the existing telescope around 1609
Galileo made his first telescope in 1609, modeled after telescopes produced in other parts of Europe that could magnify objects three times. He created a telescope later that same year that could magnify objects twenty times. With this telescope, he was able to look at the moon,
1609 AD.
Galileo in 1609
Galileo Galilei first used the "new" telescope in 1609
He didn't he improved the existing telescope and turned it to astronomical use around 1609
Galileo improved the telescope in 1609, by making it more powerful and using it to observe celestial bodies such as the Moon, stars, and planets. His discoveries helped revolutionize our understanding of the cosmos and laid the foundation for modern astronomy.