How the Planets Changed Our World

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How the Discoveries of the Planets Changed our World Forever Many people do not realize it, but the discovery of the planets lead to the biggest space exploration of its time, and in the end changed the world forever. While many people do not believe that the discovery of the planets were important, it led to many ideas and theories that have helped us explore and expand our understanding of the world we live in. I believe that people should know the truth about the significance of the planets. Imagine the world without antibiotics. We wouldn't live nearly as long as we do without them. The same goes for the discoveries of the solar system. It is impossible to rand their importance, so they are listed in the order they were discovered. The first time humans have ever discovered a planet was in the 2nd millennium BC by the ancient Babylonian astronomers. Soon, Aristarchus of Samos, and later in Nicolas Copernicus' heliocentric system that he published in 1543, the Earth came to be considered a planet revolving with the other planets around the Sun. By this time, the sun was also now known as the center of the world and no longer considered a planet. Galileo discovered Jupiter and their moons in 1610. While Saturn and its moons were discovered in the late 1600's by Cassini. In 1780, a man by the name of Herschel discovered our seventh planet; Uranus. Finally, in the early 1930's the 9th and final planet at the time Pluto was discovered. We will look in depth at each advancement in these period and how they lead to the advancement of technology and philosophies. In 1543, while on his deathbed, Polish astronomer Nicholas Copernicus published his theory that the Sun is a motionless body at the center of the solar system, with the planets revolving around it. Before the Copernicus system was introduced, astronomers believed the Earth was at the center of the

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