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| The standard [[Federation]] system of '''planetary classification''' categorizes [[planet]]s based on various factors such as [[atmosphere|atmospheric]] composition, surface temperature, [[plant|vegetation]] and size. Each class is designated with a letter, for example, [[Class M]] (name based on the [[Vulcan]] [[Vulcan language|terminology]] "[[Minshara class|''minshara''-class]]") is the most suitable for [[humanoid]] long-term habitation. | | The standard [[Federation]] system of '''planetary classification''' categorizes [[planet]]s based on various factors such as atmospheric composition, surface temperature, vegetation and size. Each class is designated with a letter, for example, [[Class M]] (name based on the [[Vulcan]] terminology "[[Class M|"Minshara Class"]]) is the most suitable for [[humanoid]] long-term habitation. |
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| ==Planetary classes== | | ==Planetary Classes== |
| | | *[[Class D]] |
| {| class="grey"
| | *[[Class H]] |
| ! Class
| | *[[Class J]] |
| ! Vulcan Class
| | *[[Class K]] |
| ! Description
| | *[[Class L]] |
| ! Examples <!--
| | *[[Class M]] (Minshara) |
| ! Age<br>(bil. yrs)
| | *[[Class N]] |
| ! Diameter<br>(1,000 kms)
| | *[[Class O]] |
| ! [[Atmosphere]]
| | *[[Class P]] (Conjectural) |
| ! [[Solar system]] zone
| | *[[Class T]] |
| ! [[Lifeform]]s -->
| | *[[Class Y]] (Also known as "Demon" Class) |
| |-
| | *[[Theta Class]] |
| ! [[Class D]]
| | *[[Rogue Planet]] |
| |
| | [[Category: Science]] |
| | [[Planetoid]] or [[moon]]; uninhabitable
| |
| |
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| * [[Paan Mokar]]
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| * [[Regula]] <!-- | |
| | 2 to 10
| |
| | 0.1 to 4
| |
| | negligible
| |
| | Ecosphere
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| | -->
| |
| |-
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| ! [[Class H]]
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| | Generally uninhabitable
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| | [[Tau Cygna V]] <!-- Desert
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| | [[Nimbus III]]
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| | 4 to 10
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| | 8 to 15
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| | Heavy [[gas]]es, [[metal vapor]]s
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| | Ecosphere, cold
| |
| | Drought-resistant -->
| |
| |-
| |
| ! [[Class J planet|Class J]]
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| |
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| | [[Gas giant]]
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| <!--| [[Gas giant]]
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| | 2 to 10
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| | 50 to 140
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| | Varying zones
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| | Ecosphere, cold
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| | [[Hydrocarbon]]-based -->
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| | [[Jupiter]], [[Saturn]]
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| |-
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| ! [[Class K planet|Class K]]
| |
| |
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| | Adaptable with [[pressure dome]]s
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| |
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| *[[Mudd]] | |
| *[[Theta 116 VIII]] (Class K [[transjovian]]) <!-- , [[Elba II]]Adaptable | |
| | 4 to 10
| |
| | 5 to 10
| |
| | [[Carbon dioxide]]
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| | Ecosphere
| |
| | [[Cell (biology)|Single-cell organism]]s -->
| |
| |-
| |
| ! [[Class L]]
| |
| |
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| | Marginally habitable
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| | [[Indri VIII]] <!--
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| | 4 to 10
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| | 10 to 15
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| | [[Oxygen]], [[argon]], [[carbon dioxide]]
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| | Ecosphere
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| | [[Plant]]s -->
| |
| |-
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| ! [[Class M]]
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| | [[Class M|Minshara]]
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| | Terrestrial
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| | [[Earth]] <!-- , [[Vulcan (planet)|Vulcan]], [[Bajor]]
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| | 3 to 10
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| | 10 to 15
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| | [[Nitrogen]], oxygen, argon, carbon dioxide
| |
| | Ecosphere
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| | Plants/[[humanoid]] -->
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| |-
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| ! [[Class N]]
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| |
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| | Sulfuric<!-- Reducing
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| | 3 to 10
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| | 10 to 15
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| | Carbon dioxide, sulfides
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| | Hot -->
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| | [[Venus]]
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| |-
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| ! [[Class T planet|Class T]]
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| | [[Gas giant]]
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| |-
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| ! [[Class Y planet|Class Y]]
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| | "Demon"
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| | [[Silver Blood]] planet <!--
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| | 2 to 10
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| | 10 to 15
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| | [[Thermionic radiation]]
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| | All
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| | Mimetic -->
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| |-
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| |}
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| ==Conjectural planetary classes==
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| ''The [[Star Trek: Star Charts]] book, which was authored and advised by Trek staffers, lists many other planetary classes which may one day be recognized onscreen, but as of now they remain conjectural.''
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| According to the Star Charts, a '''Class P''' planet is a 'Glaciated' planet. They have an age that ranges from 3 to 10 billion years and a diameter between 10,000 to 15,000 km. Class P planets are located in the ecosphere of a [[Solar system]]. A Glaciated planet is catagorized by a surface comprised of 80%+ [[water]] ice and an atmosphere consisting of [[nitrogen]], [[oxygen]] and trace [[element]]s. [[Lifeform]]s found on Class P planets include hardy [[plant|vegetation]], [[animal]] life and occasionally native [[humanoid]]s. It is widely believed that [[Breen (planet)|Breen]] is also a Class P planet. However, according to [[Weyoun]], it is in fact a lush world with a temperate climate, in which case it would have to be categorized as [[Class M]]. ({{DS9|When It Rains...}})
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| Examples of a Class P planets:
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| * [[Andor]] | |
| * [[Exo III]] | |
| * [[Rigel X]]
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| * [[Psi 2000]]
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