Pluto and its largest moon Charon could have come together via a 10-hour “kiss-and-capture” encounter after a grazing collision

Our Moon is surprisingly massive compared to Earth, but that ratio is dwarfed if we consider Pluto and Charon. The latter is about 12 percent of the mass of Pluto and technically doesn’t orbit it. The pair of them orbit around a common center of mass outside of Pluto.