Class M planet

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In the Star Trek universe, a Class M planet is one habitable by humans and similar life forms. Earth, Vulcan, Romulus, and Qo'noS are examples of Class M planets. [1] The planet needs an atmosphere of oxygen and nitrogen, should be close to a stable star, have fertile soil, a tolerable gravity, and a climate that is generally pleasant for humans. [2] Most planets shown in the franchise are Class M planets; occasionally another alphabetically named class of planet is shown, each hostile to humanoid life in one or more ways. As a story device, this allowed for easy filming without restriction by environmental suits, [3] but Science correspondent Gretchen Vogel called it a "failure of imagination" when thinking about the limits of the zone capable of supporting life. [2] The origin of the term within the fictional universe is implied to be the Vulcan word Minshara. [1]

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  1. 1 2 Fazekas, Andrew (July 22, 2016). "How to See 'Star Trek' Worlds in the Night Sky". National Geographic . National Geographic Society. Archived from the original on July 25, 2021. Retrieved July 25, 2021.
  2. 1 2 Vogel, Gretchen (1999). "Expanding the Habitable Zone" . Science. 286 (5437): 70–71. doi:10.1126/science.286.5437.70. PMID   10532892. S2CID   34476735 . Retrieved 26 July 2021.
  3. ↑ Erdman, Terry J.; Block, Paula M. (23 September 2008). Star Trek 101: A Practical Guide to Who, What, Where, and Why. Gallery Books. p. 21. ISBN   9780743497237.


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