The Planet of Doubt Jupiter and Saturn and on the surface of Uranus itself. At the time "The Planet of Doubt" takes place at the turn of the 22nd century, the limited range of the spaceships ensures that Uranus can only be reached from the American base on Titan when Saturn reaches conjunction with Uranus, an event that occurs once every forty years. The Young expedition explored the planet's south pole in 2060; now Hammond takes his ship, the "Gaea", to the north pole. Finding an ocean at the north pole, Hammond sends the "Gaea" spiraling southeast until they reach land. They find the
Gaea (Marvel Comics) to her first son, the sun-god Atum, who, in its form of Demogorge the God-Eater, devoured all the demons, except those that escaped to other planes, such as Set and Chthon. Gaea then merged with the Earth itself, and dedicated herself to guiding evolution. Atum went to live in the Sun. Millions of years later, Gaea decided to allow the dinosaurs to become extinct, so mammals would evolve in their place. This angered Set, who drew power from them. He made the dinosaurs try to hunt down all mammals, so Gaea summoned the Demogorge to deal with him. Their battle