Gagarin IV was the fourth planet of nine orbiting a blue class A star in the Gagarin system. It was class M and the location of Darwin Station, a civilian-run research base. The planet and its system were fifteen light-years from Andoria. (TNG episode: "Unnatural Selection"; Decipher RPG module: Worlds)


The planet's young age was revealed through its surface features, as wind and water had not had the time to erode and weather them. Much of the surface of Gagarin IV was covered in a green slime or primitive single celled organism. As the planet lacked more sophisticated species, as well as bacteria and viruses, it was ideal for research as samples could not be contaminated. (Decipher RPG module: Worlds)

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