. . . . . . . . . . . . . . "Eris (dwarf planet)" . . . "the real-life dwarf planet of the same name" . . . . "Planet 11" . . "Ceres" . . . . "?" . "Eris (dwarf planet)#Exploration" . . . "May 31, 2020" . . . . "136199 Eris" . . . . . . "Eris (dwarf planet)#Surface and atmosphere" . . . . . . . . . "dwarf planet Eris" . "56.0" . "Eris (dwarf planet)" . "1.76427936E10" . "30.0" . . . . . . . "2005-01-05" . . . "Eris (dwarf planet)#Discovery" . . . . . "(JD2459000.5)" . . . . . . . . "Eris" . . . "widely adopted informal names changed in line with the rules" . . . . "Xena (nickname)" . . . . . . "18.7" . . . . . . "(136199) Eris" . . . . "36.0" . . "42.0" . .