![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)
On This Day In History: Galilei Galileo Demonstrates His First Telescope - August 25, 1609 - Ancient Pages
![Retro fantasy: Galileo Galilei near his telescope looking pensive to the firmament of stars. Content made with generative AI not based on real persons. Stock Illustration | Adobe Stock Retro fantasy: Galileo Galilei near his telescope looking pensive to the firmament of stars. Content made with generative AI not based on real persons. Stock Illustration | Adobe Stock](https://as2.ftcdn.net/v2/jpg/05/65/57/89/1000_F_565578949_EwjJF9UlAPRmHNza0fzHjePZFjkPEHmR.jpg)
Retro fantasy: Galileo Galilei near his telescope looking pensive to the firmament of stars. Content made with generative AI not based on real persons. Stock Illustration | Adobe Stock
![Galileo Demonstrates his Telescope. 1609. 19th c. Lithograph by L. Turgis Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas Galileo Demonstrates his Telescope. 1609. 19th c. Lithograph by L. Turgis Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas](https://static.greatbigcanvas.com/images/singlecanvas_thick_none/everett-collection/galileo-demonstrates-his-telescope-1609-19th-c-lithograph-by-l-turgis,2258139.jpg?max=800)