Difference between revisions of "Planetary Classes"
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(Created page with "==Class A== '''Geothermal<ref name="STSC" />''' {|style="width:50%" align="left" |- |style="width:25%"|Age |style="width:75%"|0-2 billion years |- |style="width:25%"|Diameter...") |
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==Class A== | ==Class A== | ||
| + | [[File:gothos-tos-18.jpg|250px|thumb|right|[[Gothos]] ([[Star Trek|TOS]] [[The Squire of Gothos (Episode)|18]])]] | ||
'''Geothermal<ref name="STSC" />''' | '''Geothermal<ref name="STSC" />''' | ||
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==Class D== | ==Class D== | ||
| + | [[File:moon-ent-96.jpg|250px|thumb|right|[[Moon (Sol IIIa)]] ([[Star Trek: Enterprise|ENT]] [[Demons (Episode)|96]])]] | ||
'''Asteroid/Moon<ref name="STSC" />''' | '''Asteroid/Moon<ref name="STSC" />''' | ||
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==Class G== | ==Class G== | ||
| + | [[File:delta_vega-tos-01.jpg|250px|thumb|right|[[Delta Vega (TOS)|Delta Vega]] ([[Star Trek|TOS]] [[Where No Man Has Gone Before (Episode)|01]])]] | ||
'''Geocrystalline<ref name="STSC" />''' | '''Geocrystalline<ref name="STSC" />''' | ||
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==Class J== | ==Class J== | ||
| + | [[File:jupiter-tng-101-102.jpg|250px|thumb|right|[[Jupiter]] ([[Star Trek: The Next Generation|TNG]] [[Encounter at Farpoint (Episode)|101-102]])]] | ||
'''Gas Giant<ref name="STSC" />''' | '''Gas Giant<ref name="STSC" />''' | ||
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==Class K== | ==Class K== | ||
| + | [[File:mars-stsc.jpg|250px|thumb|right|[[Mars]] ([[Star Trek: Star Charts (Book)|STSC]])]] | ||
'''Adaptable<ref name="STSC" />''' | '''Adaptable<ref name="STSC" />''' | ||
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==Class M== | ==Class M== | ||
| + | [[File:earth-st-11.jpg|250px|thumb|right|[[Earth]] ([[Star Trek (Film)|''Star Trek'']])]] | ||
'''Terrestrial / ''Minshara'' class<ref name="STSC" /><ref name="TOS00" /><ref name="ENT01" />''' | '''Terrestrial / ''Minshara'' class<ref name="STSC" /><ref name="TOS00" /><ref name="ENT01" />''' | ||
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Revision as of 18:13, 18 July 2018
Class A
Geothermal[1]
| Age | 0-2 billion years |
| Diameter | 1,000-10,000km |
| Location | Ecosphere/Cold Zone |
| Surface | Partially molten |
| Atmosphere | Primarily hydrogen compounds |
| Evolution | Cools to become Class C |
| Lifeforms | None |
| Example | Gothos |
Class B
Geomorteus[1]
| Age | 0-10 billion years |
| Diameter | 1,000-10,000km |
| Location | Hot Zone |
| Surface | Partially molten, high surface temperature |
| Atmosphere | Extremely tenuous, few chemically active gases |
| Lifeforms | None |
| Example | Mercury |
Class C
Geoinactive[1]
| Age | 2-10 billion years |
| Diameter | 1,000-10,000km |
| Location | Ecosphere/Cold Zone |
| Surface | Low surface temperature |
| Atmosphere | Frozen |
| Lifeforms | None |
| Example | Pluto, Psi 2000 |
Class D
Asteroid/Moon[1]
| Age | 2-10 billion years |
| Diameter | 100-1,000km |
| Location | Hot Zone/Ecosphere/Cold Zone; found primarily in orbit of larger planets or in asteroid fields |
| Surface | Barren and cratered |
| Atmosphere | None or very tenuous |
| Lifeforms | None |
| Example | Moon (Sol IIIa), Lunar V (Bajor VIIe) |
Class E
Geoplastic[1]
| Age | 0-2 billion years |
| Diameter | 10,000-15,000km |
| Location | Ecosphere |
| Surface | Molten, high surface temperature |
| Atmosphere | Hydrogen compounds and reactive gases |
| Evolution | Cools to become Class F |
| Lifeforms | Carbon cycle (Excalbians) |
| Example | Excalbia |
Class F
Geometallic[1]
| Age | 1-3 billion years |
| Diameter | 10,000-15,000km |
| Location | Ecosphere |
| Surface | Volcanic eruptions due to molten core |
| Atmosphere | Hydrogen compounds |
| Evolution | Cools to become Class G |
| Lifeforms | Silicon-based (Horta) |
| Example | Janus VI |
Class G
Geocrystalline[1]
| Age | 3-4 billion years |
| Diameter | 10,000-15,000km |
| Location | Ecosphere |
| Surface | Still crystallizing |
| Atmosphere | Carbon dioxide, some toxic gases |
| Evolution | Cools to become Class K, L, M, N, O, or P |
| Lifeforms | Primitive single-celled organisms |
| Example | Delta Vega |
Class H
Desert[1]
| Age | 4-10 billion years |
| Diameter | 10,000-15,000km |
| Location | Hot Zone/Ecosphere/Cold Zone |
| Surface | Hot and arid, little or no surface water |
| Atmosphere | May contain heavy gases and metal vapors |
| Lifeforms | Drought- and radiation-resistant plants, animal life |
| Example | Rigel XII, Tau Cygna V |
Class I
Gas Supergiant[1]
| Age | 2-10 billion years |
| Diameter | 140,000-10 million km |
| Location | Cold Zone |
| Surface | Tenuous, comprised of gaseous hydrogen and hydrogen compounds; radiates heat |
| Atmosphere | Zones vary in temperature, pressure, and composition; water vapor may be present |
| Lifeforms | Unknown |
| Example | Q'tahl |
Class J
Gas Giant[1]
| Age | 2-10 billion years |
| Diameter | 50,000-140,000km |
| Location | Cold Zone |
| Surface | Tenuous, comprised of gaseous hydrogen and hydrogen compounds; radiates some heat |
| Atmosphere | Zones vary in temperature, pressure, and composition |
| Lifeforms | Hydrocarbon-based (Jovian) |
| Example | Jupiter, Saturn |
Class K
Adaptable[1]
| Age | 4-10 billion years |
| Diameter | 5,000-10,000km |
| Location | Ecosphere |
| Surface | Barren, little or no surface water |
| Atmosphere | Thin, mostly carbon dioxide |
| Lifeforms | Primitive single-celled organisms; adaptable for humanoid colonization through the use of pressure domes |
| Example | Mars |
Class L
Marginal[1]
| Age | 4-10 billion years |
| Diameter | 10,000-15,000km |
| Location | Ecosphere |
| Surface | Rocky and barren, little surface water |
| Atmosphere | Oxygen/argon, high concentration of carbon dioxide |
| Lifeforms | Limited to plant life; suitable for humanoid colonization |
| Example | Indri VIII |
Class M
Terrestrial / Minshara class[1][2][3]
| Age | 3-10 billion years |
| Diameter | 10,000-15,000km |
| Location | Ecosphere |
| Surface | Surface water abundant; if water or ice covers more than 80% of surface, planet is considered Class O or P |
| Atmosphere | Nitrogen, oxygen, trace elements |
| Lifeforms | Extensive vegetation, animal life, humanoids |
| Example | Earth, Vulcan |
Class N
Reducing[1]
| Age | 3-10 billion years |
| Diameter | 10,000-15,000km |
| Location | Ecosphere |
| Surface | High surface temperature due to greenhouse effect; water exists only as vapor |
| Atmosphere | Extremely dense, carbon dioxide and sulfides |
| Lifeforms | Unknown |
| Example | Venus |
Class O
Pelagic[1]
| Age | 3-10 billion years |
| Diameter | 10,000-15,000km |
| Location | Ecosphere |
| Surface | Liquid water covers 80% or more of surface area |
| Atmosphere | Nitrogen, oxygen, trace elements |
| Lifeforms | Aquatic vegetation, animal life, humanoids |
| Example | Argo |
Class P
Glaciated[1]
| Age | 3-10 billion years |
| Diameter | 10,000-15,000km |
| Location | Ecosphere |
| Surface | Water ice covers 80% or more of surface area |
| Atmosphere | Nitrogen, oxygen, trace elements |
| Lifeforms | Hardy vegetation, animal life, humanoids |
| Example | Exo III |
Class Q
Variable[1]
| Age | 2-10 billion years |
| Diameter | 4,000-15,000km |
| Location | Hot Zone/Ecosphere/Cold Zone |
| Surface | Ranges from molten to water and/or carbon dioxide ice, due to eccentric orbit or variable output of star |
| Atmosphere | Ranges from tenuous to very dense |
| Example | Genesis Planet |
Class R
Rogue[1]
| Age | 2-10 billion years |
| Diameter | 4,000-15,000km |
| Location | Interstellar space, cometary halos |
| Surface | May be temperate due to geothermal venting |
| Atmosphere | Primarily volcanic outgassing |
| Lifeforms | Non-photosynthetic plants, animal life |
| Example | Dakala |
Classes S-T
Ultragiant[1]
| Age | 2-10 billion years |
| Diameter | 10-50 million km (Class S) 50-120 million km (Class T) |
| Location | Cold Zone |
| Surface | Tenuous, composed of gaseous hydrogen and hydrogen compounds; radiates considerable heat |
| Atmosphere | Zones vary in temperature, pressure, and composition; water vapor may be present |
| Lifeforms | Unknown |
Class Y
Demon[1]
| Age | 2-10 billion years |
| Diameter | 10,000-50,000km |
| Location | Hot Zone/Ecosphere/Cold Zone |
| Surface | Temperature can exceed 500°K |
| Atmosphere | Turbulent, saturated with toxic chemicals and thermionic radiation |
| Lifeforms | Crystalline, Mimetic |
| Example | Tholia, Demon Planet (Delta Quadrant) |
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 "Star Trek: Star Charts." Star Trek. Book. Pocket Books. October 2002.
- ↑ "The Cage". Star Trek, episode 0. Television. 1965 (Unaired).
- ↑ "Broken Bow". Star Trek: Enterprise, episodes 01-02. Television. 26 September 2001.
