Double planet arguing that Jupiter is a double star is "not" analogous to arguing Pluto-Charon is a double dwarf planet. The problem is that Jupiter is not even a star, or even a brown dwarf, and due to its low mass it is unable to achieve any form of fusion. Isaac Asimov suggested a distinction between planet–moon and double-planet structures based in part on what he called a "tug-of-war" value, which does not consider their relative sizes. This quantity is simply the ratio of the force exerted on the smaller body by the larger (primary) body to the force exerted on the
The Adventures of Pluto Nash become stranded on the Moon and desires to earn some money by which to pay for transport back to Earth to Salt Lake City. Because her father "Nicky Sticks" was a friend of Pluto's, she seeks help from Pluto, offering her skills as a singer. Pluto instead gives her a job as a server at his club and allows her to remain inside to sleep after its nightly closure to the public. During the same night, Pluto is accosted thrice by Mogan (Joe Pantoliano) and Kelp (Victor Varnado), messengers of a mysterious entrepreneur called Rex Crater. They tell Pluto that