11 years ago
Dwarf planet Eris
In January 2005, Mike Brown announced the discovery of another object from the Kuiper belt, even larger than Pluto. This dwarf planet (plutoid) provisionally named 2003 UB313 or Xena, was recently officially called, Eris. The new planet has a diameter of about 2,326 km -the last measurement 2011- and it’s 200 km larger than Pluto.
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