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The ES Encyclopedia supplies an ever-growing body of short articles and descriptions of people, places and things that inhabit the world of The Eylau Sequence. It is a great help to those wishing for a better understanding of the background to current Eylau Sequence short stories and gaming. If there is a favorite entry that you would like to see added, please let us know.
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L5 Complex (Japan) — The gigantic complex at Lagrange Point Five which now comprises the "island nation" of Japan was the subject of technical speculation long before the Japanese decision to relocate their population in the face of extinction. The first major decision in favor of an L5 location and against a lunar base was rooted in two major concerns: a) That the moon was equally vulnerable to disasters similar to that suffered by earth, and b) that humanity needed to make the proverbial leap into space for the sake of long term survival. They made their greatest intellectual breakthrough when they abandoned an engineering solution to the problem of artificial gravity in deep space, and instead decided on a biological solution of adaptation.

In tandem with the question of physiology came the equally thorny issue of station keeping for the complex. It was ultimately decided to build a string of megastations which would remain in the general vicinity of each other, but which were individually free to change relative position as they migrated around the L5 circuit. The resulting station network allowed populations in various stages of physical adaptation to live in dedicated zones, and it also helped to prevent any disasters in one area from becoming a disaster for the entire nation. With different stations having been built at different time, the installations vary greatly in appearance.

Lagrange Points — One of several points around a planet where its gravitational pull and that of its parent star appear to be neutral, allowing objects at those positions to remain in a stationary position relative to the planet without having to be in orbit around the planet. There are five Lagrange points to each one of these relationships, ranging from the Sun-Jupiter system to much smaller ones like the Earth-Moon system. The most important Lagrange points relating to humanity belong to the Sun-Earth system. The points in the Sun-Earth system allow numerous stations, platforms, installations and science projects to be placed with little or no need to expend extra energy for station keeping.

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