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Put simply, Avishan is a cold world unsuited to most species, save for the rare methane breathers of the galaxy. Making up the vast majority of the worlds atmosphere, methane is so pervasive that even the soil is impregnated with it from the periodic rains of methane that fall from the thick atmosphere. As a world whose atmosphere is dominated by a flammable hydrocarbon, small scale atmospheric firestorms are fairly common due to micro-meteorite impacts or the heat from the hulls of de-orbiting spacecraft. Oxygen is present in low enough concentrations that these flare ups are short lived however, with the localised supply being used up quickly. In the past the expense of having to specially seal any sort of electrical equipment has proven prohibitive to exploiting the planet's hidden wealth, but as populations grow and the galaxy changes, these untapped riches are likely to become more appealing.