Is Pluto No Longer A Planet?

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To begin, theories change in different ways. For example, theories change if facts are found to be incorrect, maybe something was not thought out enough, and if any of the trials fail. In 460-370 B.C some scientists were to believe that atoms were completely solid because atoms were so small they couldn’t split. In 500 B.C Leucippus and Democritus proposed that all matter is composed of tiny particles called atoms that can't be split into smaller pieces. In 1821 Michael Faraday discovered electricity by carrying a wire with an electric current to a magnetic pole and then the wire rotated. Also, in 1930-2006 scientists decided that Pluto was not a planet but was a dwarf planet and the reason why Pluto is no longer a planet is because astronomers

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