PLANET SOR
(4th planet, Sorus System)
Atmosphere:
Methane (53%)
Nitrogen (30%)
Oxygen (16%)
Carbon Monoxide (0.4%)
Water vapour (0.6%)
Discovered in 2145, the planet Sor is the homeworld of the Sorans. The ghostly green hue is due to the atmosphere being high in methane, whilst the terrain is covered in large mountains and trenches. With almost zero water above the planet's surface, the Sorans evolved below ground where large caverns pocket the planet's mantle and house vast lakes of water.
In 2143 the Sorans stumbled upon Earth and, upon underestimating human technology, attempted to invade the planet and set-up a second home. Though driven away, the humans had no idea where the threat had come from until shot-down Soran pilots were captured 2 years later and the information about the Soran homeworld extracted from them.
Now, the planet Sor is seen as the hub of all that threatens the Human race and the surrounding star systems and the threat must be neutralised.
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