<P> Eris ( minor - planet designation 136199 Eris ) is the most massive and second - largest dwarf planet known in the Solar System . Eris was discovered in January 2005 by a Palomar Observatory - based team led by Mike Brown , and its identity was verified later that year . In September 2006 it was named after Eris , the Greek goddess of strife and discord . </P>
<P> Eris ( minor - planet designation 136199 Eris ) is the most massive and second - largest dwarf planet known in the Solar System . Eris was discovered in January 2005 by a Palomar Observatory - based team led by Mike Brown , and its identity was verified later that year . In September 2006 it was named after Eris , the Greek goddess of strife and discord . </P>
what is the significance of the celestial object eris
what is the significance of the celestial object eris
most massive and second - largest dwarf planet known in the Solar System
most massive and second - largest dwarf planet known in the Solar System