Galileo Galilei Sam Waszak

Galilei's Ideas

Galilei was an Italian scientist from the 1600s who studied astronomy. After building the first telescope, he had discovered that the sun has black spots on it and that Jupiter has four moons. He also argued against Aristotle, who claimed that the Earth's moon and the stars had a perfectly smooth surface. However, based upon Galilei's observations, the moon was actually rough and jagged.

Harsh Reaction from the Church

Galilei had both Protestants and Catholics frightened by his ideas. Since his ideas went against church teachings, they feared that people would stop believing everything they had to say. Galilei had to go to trial in 1633 to sign and verbally read a confession, in which saying that the teachings of Nicholas Copernicus were incorrect. However, even with the disapproval of the church, the people of Europe still spread Galilei's ideas and discoveries all around.

Impact on Science

In 1610, Galileo Galilei published the Starry Messenger. This book had shattered previous theories, such as that the moon is smooth. His discoveries also lead to a development in the scientific method.

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