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
Collective Behavior and Social Movements Section of the ASA this controversy, a newsletter was created: "Critical Mass". The first issue of "Critical Mass", published in October 1973, was written by sociologist Thelma McCormack. McCormack suggested that the name “Social Organization” would be appropriate for a new section interested in collective behavior and social movements. However, John Lofland, who was central in the effort to establish an entirely separate section within the ASA for this cause, responded adamantly that the title should pay homage to the traditional link between collective behavior and social movements. The bond between collective behavior and social movements had formed earlier in the twentieth century through