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 ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

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 ...