In July 2005 scientists announced the discovery of Eris, a dwarf planet larger than Pluto, in this belt
[DOC] [TLE] Eris (dwarf planet) - Wikipedia [PAR] Eris (minor-planet designation 136199 Eris) is the most massive and second-
largest dwarf ... Eris is 27% more massive than dwarf planet Pluto, though Pluto is 
slightly larger ... Because Eris appeared to be larger than Pluto, NASA initially 
described it as the ...