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Ceres, discovered Jan. 1, 1801 by Piazzi. He and other astronomers were looking for the "missing" planet that "ought" to exist between the orbits of Mars and Jupiter. Ceres is about 900 km in diameter.

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The least massive dwarf planet is Ceres.

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Pluto

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Q: What is the largest known dwarf planet?
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Related questions

Is Eris the largest dwarf planet?

Eris is the largest Known Dwarf Planet in our solar system


Is Eris a planet?

No, Eris isn't a planet, it is a dwarf planet. See the related question "What is a dwarf planet?" for more details on the differences. Eris is the largest known dwarf planet in the solar system and the ninth-largest body known to orbit the sun directly. No Iris is a satellite.


Is Eris the biggest dwarf planet?

Yes, Eris is the largest known Dwarf Planet (but there could be larger ones that have not been discovered yet).


What is the name of the largest dwarf planet?

The largest dwarf planet in our solar system is Eris.


What is Erie known for?

Eris is known for 3 things: Being the largest dwarf planet in the solar system. Being one of the farthest objects from the sun in the solar system Being a dwarf planet


Which Dwarf planet has two moons?

Pluto is the dwarf planet that has two moons, known as Charon and Styx. Charon is the largest and most significant moon, while Styx is much smaller and less well-known.


Give the other name of dwarf planet xena?

Eris (or Xena), is the largest known dwarf planet in the Solar System and the ninth-largest body known to orbit the Sun directly. It is 27% larger than Pluto. "Xena" was an informal name used by the discovery team.


Is Betelgeuse a dwarf planet?

No, Betelgeuse is not a dwarf planet. Betelgeuse is a supergiant star located in the constellation of Orion. It is one of the largest and most luminous stars known in our galaxy.


Charon is the largest satellite of which planet?

Charon is the largest satellite of Pluto.


When was Pluto not known as a dwarf planet?

Pluto was reclassified as a dwarf planet in 2006, after being known as a major planet for 76 years.


Is Eris the biggest planet?

No. First of all, Eris is not a planet; it is a dwarf planet. Eris is smaller thean Mercury, the smallest planet in the solar system. The largest planet is Jupiter. Eris is the largest of the dwarf planets.


What is the name of the largest known celestial body belonging to the Solar system that lies beyond the orbit of Pluto?

The largest known celestial body beyond the orbit of Pluto in our Solar System is Eris. It is a dwarf planet that was discovered in 2005 and is even more massive than Pluto.