Planet, Class-Y

Tholia (STSC)
Tholia (STSC)

Demon. Age ranged from 2-10 billion years. Diameter was 10,000 to 50,000 km. Typically located in the Hot Zone, Ecosphere, or Cold Zone of a planetary system. Surface temperatures could exceed 500°K. Atmosphere was turbulent, and saturated with toxic chemicals and thermionic radiation. May have contained mimetic or crystalline-based life forms. Classes X, Y, and Z were reserved for planets with environments particularly hostile to humanoid life.[1]

Class-Y Planets:


  • [1]STSC: Star Trek: Star Charts
Monday, July 19th, 2010 Enterprise, Library, Places, Voyager

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