Habitable zone
[[File:USS Stargazer log 1.jpg|thumb|The Stargazers initial report on the Maxia Zeta system's planets]]
The habitable zone''' was the range of distances from a star at which liquid water could exist on the surface of an orbiting planet or moon.

Maxia Zeta III and IV were located in the Maxia Zeta star system's habitable zone, and were marked as candidates for terraforming when the  surveyed the system in 2355. ( display graphic'')

One of 's twelve planets was an uninhabited class M planet in the primary habitable zone, as reported by the  during a survey in the 2340s. ()

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Physics