It saw the discovery of dwarf planet Eris and how those very observations ... distant worlds, far beyond the orbit of Neptune. At the time, some people speculated on whether they should be ...

Eris, Haumea and Pluto. Easily the most famous of the diminutive planets, Pluto was controversially downgraded to dwarf status in 2006. Makemake's orbit lies towards the very edge of the Solar ...

"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit is rather incredible and exciting," says co-author Amaury Triaud, a professor at the University of ...

Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

Although Pluto's orbit was more elongated than the other planets ... such as Pluto and Eris—the International Astronomical Union in 2006 recommended that they be called "dwarf planets ...

To be a planet, a body must: Orbit its host star Be round ... goddess of discord and strife, and the dwarf planet has one moon, named Dysnomia, Eris' daughter and the demon goddess of lawlessness.

He told the publication that, by his own calculations, the candidate signal’s orbit ... Eris, an icy world in the Kuiper Belt beyond Pluto, led to the reclassification of Pluto as a dwarf planet.