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Knowledge of our solar system changed drastically in 2006. Before then, most of us knew there were nine planets in the sun’s solar system. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. There were even rhymes to remember it. Then, in 2006, the International Astronomical Union said that Pluto was actually a dwarf planet. The controversial statement caused an uproar worldwide: How could Pluto not be a planet? Was Pluto now no longer part of the solar system? Were we all living a lie? So what’s the status now? Is Pluto a planet?

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1. How Was Pluto Discovered?

Pluto was discovered in 1930 after astronomers set out to find the ninth planet in the solar system. A world they had dubbed, 'Planet X.' As this was going on, a 24-year-old astronomer named Clyde Tombaugh carefully studied pictures of the night sky. That was when he noticed what appeared to be the yet-to-be-discovered planet. Pluto's name came from the mind of an 11-year-old girl, Venetia Burney, who suggested the new planet be named after the Roman god of the underworld.

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