Category: Class M Planets

{{ImageInfoBox2|name=Class M|file=earth-st-11.jpg|caption=[[Earth]] ({{ST11}})}}
{{First|{{TOS06}} ({{date|Production|1966|9|8}})}}
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A Class M planet was one with atmospheric conditions that allowed [[Humans]] and other similar lifeforms to breathe without technological assistance, containing an abundance of [[oxygen]] and [[nitrogen]].<ref name="TOS01"/>
{{InfoBox|float=left|boxwidth=60%|name=Terrestrial / ''Minshara'' class<ref name="ENT01" />}}
{{TableRow|title=Age|data=3-10 billion years<ref name="STSC"/>}}
{{TableRow|title=Diameter|data=10,000-15,000km<ref name="STSC"/>}}
{{TableRow|title=Location|data=Ecosphere<ref name="STSC"/>}}
{{TableRow|title=Surface|data=Surface water abundant; if water or ice covers more than 80% of surface, planet is considered Class O or P<ref name="STSC"/>}}
{{TableRow|title=Atmosphere|data=[[nitrogen]], [[oxygen]],<ref name="TOS01"/> trace elements<ref name="STSC"/>}}
{{TableRow|title=Lifeforms|data=Extensive vegetation, animal life, [[humanoids]]<ref name="STSC"/>}}
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{{References}}
<references>
<ref name="TOS01">{{RefTOS01}}</ref>
<ref name="ENT01">{{RefENT01}}</ref>
<ref name="STSC">{{RefSTSC}}</ref>
</references>
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