Galileo Galilei: Astronomical Discoveries

What did Galileo Galilei prove about the Earth and the Sun?

Why did Galileo lose his teaching position at the University of Pisa?

Where did Galileo find another teaching position after leaving the University of Pisa?

What did Galileo discover about Jupiter through his use of telescopes?

How did Galileo's discoveries impact his relationship with the church and academia?

How did Galileo's life end following his trial by the Inquisition?

When did the Vatican officially acknowledge its mistake regarding Galileo?

Galileo Galilei was an astronomer who proved that the Earth revolves around the Sun, challenging the belief of the Catholic Church at the time.
Galileo's fascination with pendulums led him to discover that regardless of their mass, all objects freefall with the same acceleration.
Galileo gained fame and a teaching position at the University of Pisa but was not renewed due to his disagreements with Aristotle's belief about falling objects.
He found another teaching position at the University of Padua, where his fame increased and he had three children out of wedlock.
Galileo's use of telescopes led him to discover that the moon had imperfections, Jupiter had four moons, and Venus went through phases, supporting the heliocentric model.
His discoveries challenged the beliefs of the church and academia, leading to his trial by the Inquisition and his forced recantation of his scientific discovery.
Galileo spent the rest of his life under house arrest and died at the age of 77.
It took over 350 years for the Vatican to officially acknowledge its mistake, with Pope John Paul II apologizing and declaring that Galileo was right.

Explore the life and groundbreaking discoveries of Galileo Galilei, from his astronomical observations to his conflicts with the Catholic Church and academia. Learn how his findings revolutionized our understanding of the cosmos.