A Brief History On January 5, 2005, American astronomer Michael E. Brown (CalTech, Princeton,Berkeley ) with fellow astronomers David L. Rabinowitz (Yale University and University of Arizona) and Chad Trujillo (University of Hawaii, Gemini Observatory and Northern Arizona University) were given credit for their discovery of a planetoid they called Eris, at the time, the largest dwarf planet known in the Solar System.  The astronomical team actually discovered Eris in 2003, but its (relatively) small size and distance from Earth required rigid documentation for the discovery to be accepted.  Larger than Pluto, the dwarf planet that used to be considered…