Class H

In the Federation standard system of planetary classification, a class H planet or moon was characterized as usually being uninhabitable by Humans, but viable for Sheliak. Such a planetary body could contain an atmosphere consisting of oxygen and argon. () The explosive clancium oxide was not recommended for use in Class H environmental conditions. () 
In the Treaty of Armens, "unwanted lifeforms inhabiting H-class worlds may be removed at the discretion of the Sheliak Corporate." Tau Cygna V was an example of such a planet. ()
In 2374, acting captain Chakotay planned to relocate a group of Borg drones, including Seven of Nine, from to a class H moon in the Delta Quadrant. ()
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H
Category:Celestial objects