271 C / 2014UN ( Bernardinelli-Bernstein ) :TheNearlySphericalCowofComets

Pontificia Universidad Católica del Perú; National Science Centre, Poland; Ministry of National Education/Institute for Atomic Physics and National Council of Scientific

Education and Science of the Russian Federation, National Research Centre Kurchatov Institute, Russian Science Foundation and Russian Foundation for Basic Research, Russia;

& Alice Wallenberg Foundation (KAW); Ukraine Ministry of Educa- tion and Science; United Kingdom Science and Technology Facili- ties Council (STFC); The United States

National Education/Institute for Atomic Physics and National Coun- cil of Scientific Research in Higher Education (CNCSI-UEFISCDI), Romania; Ministry of Education and Science

Joint Institute for Nuclear Research, Ministry of Education and Science of the Russian Federation, National Research Centre Kurchatov Institute, Russian Science Foundation,

Ministry of Science & Technology of China (MSTC), National Natu- ral Science Foundation of China (NSFC) and Ministry of Education of China (MOEC) , China; Ministry of

Ministry of Science & Technology of China (MSTC), National Natu- ral Science Foundation of China (NSFC) and Ministry of Education of China (MOEC), China; Ministry of

Nuclear Research (JINR), Ministry of Education and Science of the Russian Federation, National Research Centre Kurchatov Institute, Russian Science Foundation and Russian