Eris (dwarf planet) - Wikipedia
Eris is the ninth-most massive known object orbiting the Sun and the sixteenth-most massive overall in the Solar System (counting moons). It is also the largest known object in the solar system that has not been visited by a spacecraft.
Eris - Science@NASA
2005年1月8日 · Dwarf planet 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. This distant realm is populated with thousands of miniature icy worlds, which formed early in the history of …
Eris Facts | Temperature, Surface, Information, History & Definition
2019年10月8日 · Eris is the most distant dwarf planet, located beyond the orbit of Neptune. It was discovered in 2005 and was originally classified as a planet. It is the second-largest dwarf planet discovered and it led to both it and Pluto’s demotion from planets to dwarf planets.
In Depth | Eris - NASA Solar System Exploration
Eris is one of the largest known dwarf planets in our solar system. It's about the same size as Pluto but is three times farther from the Sun. At first, Eris appeared to be larger than Pluto.
Eris: The First Dwarf Planet | Space
2019年7月10日 · Eris was one of the first dwarf planets to be discovered in the solar system. It is almost the same size as Pluto, and its discovery directly led to the former ninth...
Eris (Dwarf Planet) Facts - Space Facts
Eris is the most massive dwarf planet in the Solar System, exceeding Pluto’s mass by 28%. As such, it was a serious contender to be a tenth planet but failed to meet the criteria set out by the International Astronomical Union in 2006. Eris was named after the Greek goddess of discord.
Eris | Dwarf Planet, Kuiper Belt, Plutoid | Britannica
2024年9月27日 · 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 Observatory in California, U.S.
Eris – dwarf planet in Kuiper Belt, Past Pluto, geography, exploration
Eris is the brightest planet, 2nd most reflective body, in our solar system. The only "body" in our solar system that is brighter is Saturn's satellite Enceladus. It appears a bright white due to the methane-nitrogen rich "snow" that covers its surface.
Eris Facts: Interesting Facts about Dwarf Planet Eris
2005年1月5日 · Eris is the furthest dwarf planet from the Sun, and is also the most massive currently recognized dwarf planet. Eris is located beyond the orbit of Neptune and beyond the Kuiper belt in a region known as the " scattered disc ". …
The Dwarf Planet Eris - Universe Today
2015年5月30日 · Eris is the largest dwarf planet in the Solar System, and the ninth largest body orbiting our Sun. Sometimes referred to as the “tenth planet”, it’s discovery is responsible for upsetting the...
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