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The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto used to be called the ninth planet, but scientists reclassified it as a dwarf planet in 2006.

The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto used to be called the ninth planet, but scientists reclassified it as a dwarf planet in 2006.