The Telescope & the Scientific Revolution - World History Encyclopedia
Galileo's Telescope - The What, When and How
Ancient Origins - ON THIS DAY IN HISTORY – On 25th August, 1609 AD, Galileo Galilei demonstrated his first telescope to Venetian lawmakers. Galileo was an Italian physicist, mathematician, engineer, astronomer, and
Galileo Galilei and the Telescope That Changed Ideas About the Universe
File:Galileo telescope replica.jpg - Wikipedia
Galileo - Astronomy, Physics, Mathematics | Britannica
Galileo Galilei near his telescope - Luisa Fumi Digital Art - Gameover's Atelier