Galileo Galilei’s contributions to science was great. After building his own telescope, he became the first person to study this stars. Galileo’s first discovery was that Jupiter had four satellites circling it. He noted that these satellites were much like our Earth’s moon. Another one of Galileo’s more famous discoveries was the moon’s surface. It was previously thought by the Aristotelians that the moon’s surface was smooth, but upon further observation Galileo discovered that the moon was rough and contoured much like the Earth. Galileo was also the first to suggest that the Sun did not revolve Earth, but in fact, the Earth revolved around the Sun. The Aristotelians were not happy with this suggestion and reacted by trying to turn the church
