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Is Pluto a Planet?
For many years, children learned in school that there are nine planets in our solar system. The ninth planet, Pluto, was discovered in 1930. However, in 2006, Pluto was demoted. Why did this happen after nearly 80 years? What sets a planet apart from an asteroid, comet, or other...
Is Pluto a Planet?
For many years, children learned in school that there are nine planets in our solar system. The ninth planet, Pluto, was discovered in 1930. However, in 2006, Pluto was demoted. Why did this happen after nearly 80 years? What sets a planet apart from an asteroid, comet, or other...
Is Pluto a Planet?
For many years, children learned in school that there are nine planets in our solar system. The ninth planet, Pluto, was discovered in 1930. However, in 2006, Pluto was demoted. Why did this happen after nearly 80 years? What sets a planet apart from an asteroid, comet, or other...
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