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

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

Galileo Galilei – often referred to just as Galileo – is someone who often needs no introduction. An Italian astronomer, physicist, mathematician, and philosopher, Galileo was a polymath who ...

The telescope began as a relatively simple device, born out of optical experimentation. It combined a series of lenses and mirrors to collect and magnify light, allowing the user to see far away ...