Planetary Classification

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Class M

  • Terrestrial
  • previously known as Minshara-class by Vulcan Science Directorate, Earth-type by UESPA (ENT, TOS)
  • Significant surface water, below 80% coverage
  • Atmosphere consisting of nitrogen, oxygen, trace elements
  • Habitable by humanoid life
  • Subdivided into type 1-4, indicating most to least suitable for humanoid life (TNG: "The Bonding")

(Star Charts unless otherwise referenced)