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Trans-Neptunian object facts for kids

Kids Encyclopedia Facts
Eris and its moon Dysnomia are both Trans-Neptunian Objects

Trans-Neptunian object or TNO is a name astronomers give to any minor planet in the Solar System which orbits (goes around) the Sun beyond the planet Neptune. There are over a thousand of them. Many are in the Kuiper belt.

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Trans-Neptunian object Facts for Kids. Kiddle Encyclopedia.