Terraforming is the process of reshaping or otherwise modifying the ecology of a planet or moon to make it more habitable for life that depends on an environment much like Earth. Weyland Corporation is one of the earliest companies to successfully achieve terraforming. After setting up a temporary base on a newly discovered solar system, the planetary engineers spend months exhaustively testing the seismic stability, core layer densities and the soundness of the planet's ionosphere, noting weather patterns and pressure fluctuations. If the conditions are favorable in most respects, Weyland employees claim a new territory in the name of the company, and only then begin constructing an Atmosphere Processor to initiate terraforming. The total process can take anywhere from 5 to 20 years depending on conditions.

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