In the ''
Star Trek'' universe, a Class M planet is one habitable by humans and similar life forms.
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...
,
Vulcan
Vulcan may refer to:
Mythology
* Vulcan (mythology), the god of fire, volcanoes, metalworking, and the forge in Roman mythology
Arts, entertainment and media Film and television
* Vulcan (''Star Trek''), name of a fictional race and their home p ...
,
Romulus, and
Qo'noS
The Klingons ( ; Klingon: ''tlhIngan'' ) are a fictional species in the science fiction franchise '' Star Trek''.
Developed by screenwriter Gene L. Coon in 1967 for the original ''Star Trek'' (''TOS'') series, Klingons were swarthy humanoids ...
are examples of Class M planets.
The planet needs an atmosphere of oxygen and nitrogen, should be close to a stable star, have fertile soil, a tolerable gravity, a climate that is generally pleasant for humans.
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,
but ''
Science
Science is a systematic endeavor that Scientific method, builds and organizes knowledge in the form of Testability, testable explanations and predictions about the universe.
Science may be as old as the human species, and some of the earli ...
'' correspondent Gretchen Vogel called it a "failure of imagination" when thinking about the limits of the
zone capable of supporting life.
The origin within the fictional universe is implied to be the Vulcan word ''Minshara''.
See also
*
Earth in science fiction
An overwhelming majority of fiction is set on or features the Earth. This also holds true of science fiction, despite perceptions to the contrary. Counterfactual depictions of the shape of the Earth, be it flat or hollow, occasionally are feature ...
References
External links
Star Trek locations
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