This wiki is for all content related to hyperspace or faster than light travel. It includes both fiction and non-fiction. It may include information on hyperspace as used in Star Wars, Star Trek, Stargate, Doctor Who and other science fiction; but it also includes the study of interplanetary and faster than life travel such as by NASA. Theories and original research relating to hyperspace and space travel are also welcome here.
Solar sails (also called light sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is small and decreases by the square of the distance from the sun, but unlike rockets, solar sails require no fuel. Although the thrust is small, it continues as long as the sun shines and the sail exists.
Solar collectors, temperature-control panels and sun shades are occasionally used as expedient solar sails, to help ordinary spacecraft and satellites make minor corrections to their attitude and orbit without using fuel. This conserves fuel that would otherwise be used for maneuvering and attitude control. A few have even had small purpose-built solar sails for this use. Some unmanned spacecraft (such as Pioneer 10) have substantially extended their service lives with this practice.
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From Hyperspace Wiki's newest articles: Faster than light (also superluminal or FTL) communications and travel refer to the propagation of information or matter faster than the speed of light. This concept is a staple of the science fiction genre, and is also the subject of ongoing scientific study.
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Hyperspace collaboration of the month is Faster than light