Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated observations over several nights and realized ...

Galileo Galilei was the founder of modern physics ... mechanics and the strength of materials, optics and astronomy. He continued to develop, correcting earlier errors, admitting his ignorance ...

By the 17th century, famed engineer and astronomer Galileo Galilei refined Copernicus' heliocentric model using observations made with telescopes he built himself. However, it was not until Kepler ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars. For the next 300 years, astronomers assumed that the ...

"Star Gazing" explores the life and contributions of Galileo Galilei, highlighting his groundbreaking discoveries in astronomy and the challenges he faced from the scientific community and the church.

The Italian astronomer Galileo Galilei discovered Ganymede, Callisto, Europa and Io back in 1610, which explains why they're called the Galilean moons. We've learned a lot about these exotic ...