Galileo Galilei's telescopic discovery of Jupiter's four moons in 1610 revolutionized astronomy and supported heliocentric ...

When he was 28 years old, Galileo became a professor of mathematics at the University of Padua, where he taught geometry, mechanics and astronomy. But many of his teachings went against the ...

Nearly 415 years ago to the day astronomer Galileo Galilei discovered the moons surrounding Jupiter looking through his ...

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 – often referred to just as Galileo – is someone who often needs no introduction. An Italian astronomer ... testament to the work that he did. Galileo changed the way we ...

Stephen Hawking was born exactly 300 years after Galileo Galilei died. Their death and birth, exactly 300 years apart on ...