Eris is about the size of Pluto but around 50% farther from the sun. The discovery of Eris in the Kuiper Belt beyond Neptune in 2005 prompted the debate that ultimately reclassified Pluto as a dwarf ...

Eris is the largest dwarf planet in the solar system, larger than Pluto, and orbits at an average distance of 6,289,000,000 miles away from the sun, about 68 times further out than the Earth.

Eris is the largest known dwarf planet in the solar system. It is a trans-Neptunian object (TNO), orbiting the Sun in a region of space known as the scattered disc, just beyond the Kuiper belt ...

Many people hold Pluto close in their hearts and refuse to abandon the assertion that it is a planet, although science ...

Dwarf planet Eris, similar in size to its better-known cosmic cousin Pluto, has remained an enigma since being discovered in 2005 lurking in the solar system's far reaches. While Pluto was ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region thought to be largely devoid of objects ...

Eight billion miles (14 billion kilometers) from Earth, at the solar system’s ragged edge, lies Eris — a planet-sized oddball of a world that emerged unexpectedly from the darkness 20 years ago.

Poor Pluto. On August 24, 2006 at the International Astronomy Union (IAU) General Assembly the ninth planet was scrubbed only 76 years after its discovery. Even weirder is that it actually got ...

To honor and distinguish the largest members of the Kuiper Belt—objects such as Pluto and Eris—the International Astronomical Union in 2006 recommended that they be called "dwarf planets ...

The last dwarf planet in our solar system to be discovered was Makemake, also located in the Kuiper Belt alongside Pluto, Haumea, and Eris, lying 45.8 AU away from the Sun.

Eris is so distant from Earth that it shows up as a single pixel, so in order to reconstruct its shape, scientists will need to watch the planet pass in front of stars.

Dwarf planet Eris is 'squishier' than expected by Erin Malsbury, University of California - Santa Cruz A depiction of Eris’s rocky core and ice shell on an illustrated background from NASA.