what is the tenth planet of our solar system not Pluto
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Answer:
Eris (dwarf planet)
Because Eris appeared to be larger than Pluto, NASA initially described it as the Solar System's tenth planet.
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Answer:
Eris (dwarf planet)
Discovery
Discovery date January 5, 2005
Designations
MPC designation (136199) Eris
Pronunciation /ˈɛrɪs/, /ˈɪərɪs
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