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On This Day In History: Galilei Galileo Demonstrates His First Telescope - August 25, 1609 - Ancient Pages
![Galileo and the Telescope | Modeling the Cosmos | Articles and Essays | Finding Our Place in the Cosmos: From Galileo to Sagan and Beyond | Digital Collections | Library of Congress Galileo and the Telescope | Modeling the Cosmos | Articles and Essays | Finding Our Place in the Cosmos: From Galileo to Sagan and Beyond | Digital Collections | Library of Congress](http://www.loc.gov/static/collections/finding-our-place-in-the-cosmos-with-carl-sagan/images/galileo.jpg)
Galileo and the Telescope | Modeling the Cosmos | Articles and Essays | Finding Our Place in the Cosmos: From Galileo to Sagan and Beyond | Digital Collections | Library of Congress
![Galileo offering his telescope to three women (possibly Urania and attendants) seated on a throne; he is pointing toward the sky where some of his astronomical discoveries are depicted] | Library of Galileo offering his telescope to three women (possibly Urania and attendants) seated on a throne; he is pointing toward the sky where some of his astronomical discoveries are depicted] | Library of](http://tile.loc.gov/storage-services/service/pnp/cph/3c10000/3c10000/3c10400/3c10447v.jpg)
Galileo offering his telescope to three women (possibly Urania and attendants) seated on a throne; he is pointing toward the sky where some of his astronomical discoveries are depicted] | Library of
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