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Nicolaus Copernicus was a Polish astronomer. He wrote the book called On the Revolution of Celestial Spheres. This publish was what marked the beginning of the Scientific Revolution.
Tycho Brahe was a Danish astronomer. He was known for his very accurate records. He was also a man who observed everything carefully. He put lots of time into his work, and found 750 stars and charted their positions.
Johannes Kepler researched to prove that planets orbited in a perfect circular shape. After careful observation, he found that the planets actually orbited in an elliptical or oval shape. He proved Copernicus was right.
Galileo was undoubtedly one of the greatest scientists of the scientific revolution. He was the first person to study the sky with a telescope. He discovered craters and mountains on the moon. He also found the moons that orbited Jupiter. He was also interested in how falling objects behaved, so he studied mechanics. Galileo also conducted experiments, wrote theories, and observed. Along with all his achievements, he even invented the thermometer.
Zacharias Janssen was a Dutch lens-maker. He was the first to invent the simple microscope. However, this was not intended for scientific use.
Antoni Van Leeuwenhook
Antoni Van Leeuwenhoek was a Dutch scientist. He was the first to use the microscope for scientific purposes. He put some water from a pond under the microscope. As he looked, he found tiny plants and animals.
Evangelista Torricelli was a Italian scientist. He was a physicist and mathematician. One of his important achievements was the invention of the barometer.
Francis Bacon was a English Philosopher. He was also a statesmen, jurist, and author. He was also an Attorney General and held the position of Lord Chancellor of England. He pursued science and his experiments in a systematic fashion.
Rene Descartes was a Dutch philosopher. He was also a mathematician and writer. He also was a scientist and believed that people should establish proof of the beliefs they had. He believed that things people believed should agree with the natural world.
Isaac Newton was a English Scientist. He published the book called Principia Mathmetica. He simplified the studies of other scientists. He reviewed practically everything other scientists studied. He made theories, which were proven so many times that they called them laws. He had 4 of these laws. The first was the law of gravity. The other three were the laws of physics and motion. He also invented calculus.
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