Findings suggest Charon collided with dwarf planet and then pair briefly rotated together before separating

It sounds like one of Kipling’s Just So Stories but it is rooted in science: experts say they have a new theory for how Pluto got its largest moon.

Pluto – once considered the ninth planet of our solar system, but now classified as a “dwarf planet” – has five known moons, of which Charon is the largest with a diameter of about 754 miles, just over half that of Pluto itself.

Continue reading...