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  1. Eris (dwarf planet) - Wikipedia

    Eris is the ninth-most massive known object orbiting the Sun and the sixteenth-most massive in the Solar System (counting moons). It is also the largest known object in the Solar System that has not …

  2. ERIS Environmental Risk Information Services

    By providing the most current data, historical information and software solutions for environmental and property assessments in the United States, Canada, and Mexico. Distinguished by our tireless …

  3. Eris - Science@NASA

    Apr 24, 2025 · Eris is one of largest the dwarf planets in our solar system. It's about the same size as Pluto, but it's three times farther from the Sun. Eyes of the Solar System uses data and images from …

  4. Eris Facts | Temperature, Surface, Information, History ...

    Oct 8, 2019 · Eris is a member of a group of objects that orbit in a disc-like zone beyond the orbit of Neptune, called the Kuiper Belt. Although, Eris is the only dwarf planet that orbits even further than this.

  5. Eris Dwarf Planet: Discovery, Classification, Mass And Other ...

    Jun 2, 2024 · Eris is a dwarf planet situated beyond Neptune in the edges of the Kuiper Belt. It is an icy rocky planet, bigger than Pluto and twice as far from the Sun.

  6. Eris | Dwarf Planet, Kuiper Belt, Plutoid | Britannica

    Eris, large, distant body of the solar system, revolving around the Sun well beyond the orbits of Neptune and Pluto in the Kuiper belt. It was discovered in 2005 in images taken two years earlier at Palomar …

  7. 20 years ago, the discovery of Eris spelled doom for planet Pluto

    Jan 31, 2025 · Eris, a dwarf planet located approximately 95.6 AU from the Sun, was discovered in 2005 after a re-analysis of data initially collected in 2003. Its discovery contributed to the 2006...