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
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Galileo GALILEI (15 February 1564 - 8 January 1642) - 1609 - Galileo's telescope (Galileo, Italy)... | GREENERPASTURE , Italy - 1609 - Galileo's Telescope (Galileo, Italy) | GREENERPASTURE
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Galileo demonstrating his telescope in 1609 (R102/0087)" Art Print for Sale by SciencePhoto | Redbubble
![On This Day: August 25, 1609 - Galileo Galilei Changes Our View of the Universe with His Telescope : r/onthisday On This Day: August 25, 1609 - Galileo Galilei Changes Our View of the Universe with His Telescope : r/onthisday](https://external-preview.redd.it/on-this-day-august-25-1609-galileo-galilei-changes-our-view-v0-aGp3t3cMkhqh-ExlCb9526LdZgVZ7qrAiZLD5gJzs_0.jpg?auto=webp&s=9225a2355603c5ad77327d1102ddfe83d994b5d3)
On This Day: August 25, 1609 - Galileo Galilei Changes Our View of the Universe with His Telescope : r/onthisday
![On This Day In History: Galilei Galileo Demonstrates His First Telescope - August 25, 1609 - Ancient Pages On This Day In History: Galilei Galileo Demonstrates His First Telescope - August 25, 1609 - Ancient Pages](https://www.ancientpages.com/wp-content/uploads/2016/08/gallileosmall.jpg)