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 ...

The first time you may have heard the term ‘dwarf planet’ was when Pluto got demoted to one in 2006 (RIP). However, we actually have six in our Solar System. Pluto, Ceres, Makemake, Haumea, and Eris ...

Ceres is a dwarf planet in the asteroid belt between Mars and Jupiter. It's the largest object in the asteroid belt and the closest dwarf planet to Earth.

"Pluto is additionally recognised as an important prototype of a new class of Trans-Neptunian Objects: plutoids." The other four dwarf planets in the solar system are Ceres, Haumea, Makemake and Eris.

Pluto the planet came first ... deciding whether another four planets would join the solar system, (Ceres, Haumea, Makemake, and Eris). Astronomer Mike Brown, discoverer of most of those dwarf ...

Explore the planets with NASA There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris, according to NASA. What happened to Pluto?