Galileo galilei telescope 1609
Who invented the telescope in 1608
This video describes how Galileo’s telescopes and other early instruments were constructed.
Galileo invented the telescope
The story of Galileo's telescope is well known, as he recounted it himself in the Starry Messenger.
How did galileo improve the telescope
Galileo Galilei () was part of a small group of astronomers who turned telescopes towards the heavens.
Galileo galilei inventions
So when Galileo, then 45 years old, turned his telescope to the heavens in the fall of , it was a small act of dissent.