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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.
What else can I help you with?
Is Eris a inside or outside planet?
Eris is an outside planet
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.
Is Eris a Star?
No. Eris is a dwarf planet.
Is Eris a constellation?
No. Eris is a dwarf planet.
Is Eris the largest dwarf planet?
Eris is the largest Known Dwarf Planet in our solar system
Is Eris planet larger or smaller than earth?
Eris is not a planet; it is a dwarf planet. It is much smaller than Earth.
What is the composition of the atmosphere of planet Eris?
Eris has a frozen atmosphere.
What is the atmosphere of Eris the dwarf planet?
Eris has a frozen atmosphere.
What planet was a dwarf planet in 2005?
Eris
Are there any New planets in the solar system since Eris?
no but Eris isn't a planet it is a dwarf planet.
Is Eris a gas planet?
no
Is eris big?
depends on how you look at it, eris is the largest dwarf planet
