The IAU has officially recognized only five dwarf planets: Pluto, Haumea, Makemake and Eris in the Kuiper Belt, plus Ceres in the asteroid belt. We've sent space probes to only two of these: Pluto ...

Pluto, Ceres, Eris, Makemake, and Haumea were designated as dwarf planets with acknowledgment that more would likely be discovered in the future.

Eris is more massive than Pluto but has a smaller volume. It has only one known Moon, called Dysnomia, and it orbits the Sun in just over 559 years. At its closest approach, Eris is 5.7 billion ...

That long-held popular belief was turned on its head with the discoveries of Haumea, Sedna, Eris, and — a few months after Eris — Makemake in March 2005, forcing the astronomical community’s ...

Given the enormous distance from Earth at just under 3.2 billion miles, traveling to the Pluto system takes many years, with NASA's New Horizons taking more than 9.5 years to reach Pluto and ...

Pluto, Eris, and the Dwarf Planets of the Outer Solar System ...

Haumea is the fifth dwarf planet in the Solar System along with Pluto, Ceres, Eris and Makemake.

Sitting next to his mom on their couch, he rattles off the five in our solar system. “The dwarf planets are Haumea, Makemake, Eris, Ceres and Pluto and they live on the Kuiper belt,” Malaki said.

Pluto's demotion was partially caused by us getting better at spotting planets (or "dwarf planets," if you prefer). In the early 2000s, astronomers identified Haumea, Eris, Makemake, and other ...

Among these TNOs are dwarf planets like Eris, which is a similar size to Pluto, Haumea, Makemake. These are joined by Orcus, Quaoar, Gonggong and Sedna.

From New York City, per , Haumea will become visible in the night sky at 8:49 p.m. EDT (0049 GMT on April 21) and will remain so until dawn, when the sun's light will overpower the dwarf planet.

Back to Article List Distant worlds Eris and Makemake unveil surprisingly active natures to the world’s largest space telescope This could mean a lot of things, up to and including oceans inside.