After building his first telescopes, Galileo demonstrated the new instrument ... That discovery helped support a heliocentric model of the solar system — a belief so radical at the time that ...

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

The unremarkable-looking object is in fact one of the most important artifacts in the history of science: it's one of only two surviving telescopes known to have been made by Galileo Galilei ...

Here, Galileo took ... of the Copernican model of the Solar System. Figure 1: Key optical innovations in astronomy. The drive was then on to build bigger and more powerful telescopes with greater ...

Galileo’s telescope revealed so many previously invisible ... some out-of-the-box physics that’s going to blow our minds.” The marvelous model of the big-bang universe pieced together ...

3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of Galileo—Earth's atmosphere. Shifting air pockets in the atmosphere ...