Pluto and Charon don’t behave like a typical planet and moon system. Instead of Charon orbiting inside Pluto’s body, both objects orbit a point in space between them called the barycenter. That’s why ...
Preface: Inside the farthest exploration in history -- Introduction: Out of lock -- Dreams of a grand tour -- The Pluto underground -- Ten years in the wilderness -- The undead -- New Horizons at last ...