EVOLUTION OF A RING AROUND THE PLUTO–CHARON BINARY
EVOLUTION OF A RING AROUND THE PLUTO–CHARON BINARY
We consider the formation of satellites around the Pluto-Charon binary. An early collision between the two partners likely produced the binary and a narrow ring of debris, out of which arose the moons Styx, Nix, Kerberos and Hydra. How the satellites emerged from the compact ring is uncertain. Here we …