unit 2 research - Galileo Galilei is known for his...

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Galileo Galilei made a good discovery great. Upon hearing at age 40 that a Dutch optician had invented a glass that made distant objects appear larger, Galileo crafted his own telescope and turned it toward the sky. Galileo quickly discovered that our Moon had craters, that Jupiter had its own moons, that the Sun has spots, and that Venus has phases like our Moon. Galileo, who lived from 1564 to 1642, made many more discoveries. Galileo claimed that his observations only made sense if all the planets revolved around the Sun, as championed by Aristarchus and Copernicus, not the Earth, as was commonly believed then. The powerful Inquisition made Galileo publicly recant this conclusion, but today we know he was correct.
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Unformatted text preview: Galileo Galilei is known for his ingenuity and drive to prove subjective theories wrong. When Galileo was 40, he heard that a Dutch optician had created glass that made far away objects appear larger and closer. This led to the creation of a telescope. Galileo discovered that the Moon had craters and that the sun has spots. He also proved that Jupiter has its own moons. Galileo lived from 1564 to 1642. Many more discoveries were made. Galileo insisted that the planets orbited the sun; a controversial and contradictory claim was first made by Astarchus and Copernicus. Galileo felt compelled to take back his claims due to societal pressure. http://antwrp.gsfc.nasa.gov/apod/ap011014.html...
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