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In 1543 Nicolaus Copernicus pulished his idea that the Earth was not the center of the universe. Instead he said that all the planets orbited around the sun.
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In 1593 the first ever themometer was invented by a man named Galileo Galilei. As the temperature changes the water in the glass bulb moves up or down.
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In 1595 Zacharias Janssen invented the Compund Microscope. It was the first Microscope that had more than one lens.This microscope had a 3 to 9 times power of magnification.
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Christian Huygens was the one who invented this method. With the new telescope he could see Saturns rings also he saw Titan. Titan is the biggest moon on Saturn.
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James Gregory was the one who invented the Reflecting Telescope in 1663.One of the other things he did was publish a description of his invention in Optica Promota.
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Today we use two kinds of Barometers. We use the Mercury Barometer and the flulidess Barometer. A barometer is a weather instruament that measures air pressure. Back in the seventeenth century the first Mercury Barometer was invented by a man Evangelista Torricelli. Evangelsita was born in 1608 and died in 1647. He was also a Italtian Physiciat.
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In !669 Issac Newton Built his first Reflecting Telescope. Today his telescope is known as Newtonian. Issac Newton was born on January 4 1643.
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The first law is that every object will stay at rest unless a force is applied to it. The second law is that The second law is that acceleration is produced when a force acts on a mass. The third law is that For every action there is a equal and oppisite reaction.
