Because of this, Pluto no longer fit the definition of a full-fledged planet and was reclassified as a dwarf planet on August 24, 2006. In 2005, astronomers discovered Eris, a celestial body in ...

Also read: Types of Satellites and their applications In 2005, astronomers discovered Eris, a celestial body in the Kuiper Belt that was initially thought to be larger than Pluto. This discovery ...

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 ...

He spotted Eris in the Kuiper belt – a region of icy objects beyond Neptune. It was more massive than Pluto and left astronomers with a dilemma, whether to add it and other larger bodies ...