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Rounded objects of the Solar System

Name the objects in the solar system which are large enough to have been rounded by their own gravity
Source: Wikipedia
Quiz by
belor
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Last updated: April 23, 2022
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First submittedApril 23, 2022
Times taken120
Average score81.8%
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Type
Answer
Star
Sun
Major Planet
Jupiter
Major Planet
Saturn
Major Planet
Uranus
Major Planet
Neptune
Major Planet
Earth
Major Planet
Venus
Major Planet
Mars
Satellite
Ganymede
Satellite
Titan
Major Planet
Mercury
Satellite
Callisto
Satellite
Io
Satellite
Moon
Satellite
Europa
Satellite
Triton
Minor Planet
Pluto
Hint
Answer
Minor Planet
Eris
Minor Planet
Haumea
Satellite
Titania
Satellite
Rhea
Satellite
Oberon
Satellite
Iapetus
Minor Planet
Makemake
Minor Planet
/ Satellite
Charon
Satellite
Umbriel
Satellite
Ariel
Satellite
Dione
Satellite
Tethys
Minor Planet
Ceres
Satellite
Enceladus
Satellite
Miranda
Satellite
Mimas
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2 Comments
+1
Level 27
Jan 17, 2026
What about Gonggong, Sedna, Quaoar, Orcus, and Salacia for the dwarf planets? Also Eris's moon, Dysnomia?
+1
Level 40
Mar 11, 2026
We don’t know for certain if those are actually rounded. They’re just estimates.