Simple collapse may build cosmic snowman worlds
New York (SDX) Feb 23, 2026
Astronomers have puzzled over why many icy worlds in the distant Kuiper Belt look like snowmen, with two round lobes joined together. New work from Michigan State University points to a surprisingly simple explanation: these so called contact binaries can form directly through gravitational collapse.
Far beyond Neptune, the Kuiper Belt holds icy, largely untouched planetesimals that preser
Published by SpaceDaily on 02/24/2026