Formation and evolution of the Solar System timescale of their formation. At the current locations it would have taken millions of years for their cores to accrete. This means that Uranus and Neptune may have formed closer to the Sun—near or even between Jupiter and Saturn—and later migrated or were ejected outward (see Planetary migration below). Motion in the planetesimal era was not all inward toward the Sun; the "Stardust" sample return from Comet Wild 2 has suggested that materials from the early formation of the Solar System migrated from the warmer inner Solar System to the region of the Kuiper belt. After between three and ten
Leather Goddesses of Phobos 2: Gas Pump Girls Meet the Pulsating Inconvenience from Planet X! had no such settings. The box did, however, feature "warnings" such as "Mature Attitudes Expressed". In the original "Leather Goddesses of Phobos", the titular female aliens suffered a humiliating defeat in 1936 at the hands of an Earthling from Ohio. Now it is 1958, and astronomers have recently discovered "Planet X", the tenth planet in our solar system. The desert town of Atom City, Nevada does not contain much besides a military base, nuclear power plant and gas station. But one night the sleepy town witnesses a spaceship that crash-lands with a single survivor: Barth, the "Pulsating Inconvenience" from the