Manussa (planet)
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Manussa, also known as G139901KB , was a type 314-S planet. Its atmosphere was 98% like Earth's and its gravity was 96% like Earth. The planet and the Manussans were a melting-pot of innumerable cultural influences. In its past, it had once been the homeworld of two great star-empires: the Manussan Empire and the Sumaran Empire. When the Fifth Doctor, Nyssa and Tegan were directed there by the Mara, it was a colony planet of the all-powerful Federation of Three Worlds, with an economy based on agriculture and tourism. (TV: Snakedance)