It currently reigns as the most distant dwarf planet with a nearly uniform icy surface containing methane and nitrogen ice. (sen.com)
«Astronomers discover new distant dwarf planet beyond Neptune.» (sciencedaily.com)
Yesterday, at a joint meeting here of the European Planetary Science Congress and the Division for Planetary Sciences of the American Astronomical Society, planetary researchers showed how distant dwarf planets in the outer solar system — some of them named after mythological spirits — reveal hidden properties when they pass in front of even more remote stars, a process known as «occulting.» (sciencemag.org)