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How Do Scientists Classify Planets?

5 minutes

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Learn the three criteria for classifying planets and discover why Pluto is now considered part of the Kuiper belt. When Pluto was discovered in 1930, it was classified as the ninth planet in the solar system. However, advances in technology brought about new knowledge of Pluto, and it is now recognized as a dwarf planet.

Media Details

Runtime: 5 minutes

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