Nicolaus Copernicus developed the theory of a heliocentric solar system in the 1500s. One hundred years later, Galileo Galilei invented the telescope was able to provide scientific

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evidence to support Copernicus' heliocentric model. Galileo's observations using the telescope helped confirm that the Earth revolves around the Sun, challenging the prevailing geocentric model supported by the Catholic Church.

Galileo's discoveries, such as the observation of sunspots, the phases of Venus, and the moons of Jupiter, provided empirical evidence that directly contradicted the geocentric worldview. This posed a significant challenge to the Church's authority and teachings, as it contradicted the interpretation of biblical passages that suggested a stationary Earth.

Galileo's work faced resistance from both the Church and the scientific community. In 1616, the Church condemned heliocentrism as heretical and banned Copernicus' book "De revolutionibus orbium coelestium" (On the Revolutions of the Celestial Spheres). However, Galileo continued his observations and in 1632, he published his famous work "Dialogue Concerning the Two Chief World Systems," which argued for the heliocentric model.

This led to Galileo's confrontation with the Church and his subsequent trial by the Roman Inquisition in 1633. He was found guilty of heresy, forced to recant his views, and sentenced to house arrest for the remainder of his life.

Nevertheless, Galileo's contributions to astronomy and his defense of the heliocentric model paved the way for future scientific discoveries and the eventual acceptance of Copernicus' theory. His use of the telescope and his commitment to empirical evidence significantly advanced the understanding of our solar system and the place of Earth within it.