How powerful was Galileo's telescope Galileo Galilei revolutionized astronomy with a telescope 20 times more powerful than its Dutch predecessor. His innovative instrument paved the way for groundbreaking discoveries, including observations of celestial bodies and phenomena previously unseen by human eyes. Galileo's telescope marked a pivotal moment in the history of science, opening new horizons in our understanding of the universe. #telescope #moons #nasa | Secrets of Space