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Samash
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PostSubject: Planetary Classification System   Mon Feb 10 2014, 13:00

Within the universe there is vast number of planets, ranging from molten rocks huddled close to their parent star, to cold desolate worlds on the outskirts of a planetary system. However, despite every world being unique, there are several characteristics that enable us to classify a world into a certain group. Herein is the Planetary Classification System as compiled by Cambridge University, Sol, as of the year 2760, Earth Standard. This is the latest version, and incorporates several newly added statistics. Please note that each planet class describes basic characteristics and ranges, and individual planets will fall anywhere within the range specified for its class.

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PostSubject: Terrestrial Planets   Thu Jul 06 2017, 20:34

TERRESTRIAL PLANETS
These are rocky planets ranging from 1,000 to 18,000 km in diameter. There are currently eighteen classifications of terrestrial planets.

GeoMorteus
Diameter: 1,000-10,000 km.
Description: Small terrestrial worlds, usually found within the inner system (hot) zone.  These worlds tend to have very little native geothermal energy, and are usually heated by their parent star.  They also have tenuous atmospheres at best.
Life Forms: None.
Known Sapient Species: None known.
Human Habitation: Supported habitation only.
Examples: Mercury (Sol I); Diadora II.

GeoThermic
Diameter: 1,000-10,000 km.
Description: Small terrestrial worlds that tend to have very active tectonics, generating their own heat.  They also have tenuous atmospheres at best.
Life Forms: None.
Known Sapient Species: None known.
Human Habitation: Supported habitation only.
Examples: Kelva III; Morokai IV; Qia'ta III.

GeoPassive
Diameter: 1,000-10,000 km.
Description: Small terrestrial worlds with minimal or no atmosphere, and little geological activity.  These planets can be found throughout a solar system's habitable and outer zones.  This is a general classification, and exact specifics may vary widely.
Life Forms: Rare, but some GeoPassive worlds have been known to harbour life, even sentient life.
Known Sapient Species: Pacrhyl.
Human Habitation: Supported habitation only.
Examples: Venturi VII, Pacryhl II.

Arean
Diameter: 5,000-15,000 km.
Description: These worlds can be from 5 to 15,000 km and tend to have little tectonic activity.  They may once have been more active in the past but have since quietened.  They tend to have only a thin atmosphere of carbon dioxide, the rest being stripped away by solar winds.  The surface is 20 - 80% water.
Life Forms: Primitive single-celled organisms common.  More advanced life forms are rare, but known.
Known Sapient Species: Ta'Ork; Abathane; Astogri; Ien.
Human Habitability: These worlds are adaptable for Human habitation with some terraforming.
Examples: Xythrax III; Pathos IV; Abath IV; Ta'Orkus III.

AreanTundral
Diameter: 5,000-15,000 km.
Description: These worlds are Arean worlds that are covered with more than 60% ice.
Life Forms: Primitive single-celled organisms common.  More advanced life forms are rare, but known.
Known Sapient Species: Paldrun; Za'Kaal.
Human Habitability: These worlds are adaptable for Human habitation with some terraforming.
Examples: Paldrun VI; Kayed IV; Kaalas V.

AreanXeric
Diameter: 5,000-15,000 km
Description: These worlds are Arean worlds with less than 20% surface water.
Life Forms: Primitive single-celled organisms common.  More advanced life forms are rare, but known.
Known Sapient Species: Volani.
Human Habitability: These worlds are adaptable for Human habitation with some terraforming.
Examples: Mars (Sol IV); Vola III; Kyrag IV.

PelaArean
Diameter: 5,000-15,000 km
Description: These worlds are Arean worlds with more than 80% surface water.
Life Forms: Primitive single-celled organisms common.  More advanced life forms are rare, but known.
Known Sapient Species: Kreen.
Human Habitability: These worlds are adaptable for Human habitation with some terraforming.
Examples: Nunas III; Horga IV; Kreena IV.

Venerean
Diameter: 8,000-18,000 km
Description: Medium terrestrial worlds, usually found within the inner system or habitable zone.  These worlds tend to form a dense atmosphere of carbon dioxide, and have extremely high surface temperatures.
Life Forms: Rare, but some Venerean worlds have been known to harbour life.
Known Sapient Species: Zal’Jihk; Casopa Vada; Th’rang.
Human Habitability: Possible with extensive terraforming.
Examples: Venus (Sol II); Jihka III; Akra’th II; Vadan Prime.

PelaVenerean
Diameter: 8,000-18,000 km
Description: Essentially, a Venerean world with extensive oceans covering more than 80% of the surface.
Life Forms: Rare, but more common than Venerean.
Known Sapient Species: Tarlok.
Human Habitability: Possible with terraforming.
Examples: Tarloksanti III; Goma II.

Campian
Diameter: 8,000-18,000 km
Description:  A terrestrial world with 20 - 50% surface water.
Life Forms: Possibly supporting advanced life forms.
Known Sapient Species: Kifhu.
Human Habitability: Capable of supporting Human life.
Examples: Yaldun III; Sontas II; Dyrana III; Coraal II; Akif III.

Xeric
Diameter: 8,000-18,000 km
Description:  A terrestrial world covered in vast deserts, with less than 20% surface water.  Capable of supporting Human life, but with limited agricultural potential.  May have been Gaian-class in the past.
Life Forms: Possibly supporting advanced life forms that have adapted to a harsh environment.
Known Sapient Species: Golthraki.
Human Habitability: Capable of supporting Human life.
Examples: Golthrak II; Nyrad IV.

Gaian
Diameter: 8,000-18,000 km
Description: Earth-like worlds.  All Gaian worlds have extensive ecosystems present, though not necessarily sapient life.  Found only in orbit of F, G, and K-Type stars.
Life Forms: Advanced ecosystems present.
Known Sapient Species: Human; Kyrian; Kaprisat; Jayk; Kelmar; Kelosian.
Human Habitability: Human native environment type.
Examples: Earth (Sol III); Pendroca IV; Avadne II; Kyria Prime; Moray IV.

Pelagic
Diameter: 8,000-18,000 km
Description: Earth-like worlds with more than 80% surface covered by water.
Life Forms: Advanced exosystems present.
Known Sapient Species: Uchyhn; Tarnu; Galnae; Calvadosian; Uatree.
Human Habitability: No modifications necessary.
Examples: Pacifica VI; Kendra Prime; Pendroca IV; Juria IV; Uchyhnat IV; Tarnua III.

Amazonis
Diameter: 8,000-18,000 km
Description: A terrestrial world covered in dense jungle and swamps.
Life Forms: Advanced exosystems present.
Known Sapient Species: Aishudaipan; N’Kai; Shrii; Droedhyr.
Human Habitability: Suitable with minimal or no terraforming.
Examples: Aishuda Prime; Japnek III; Droed IV.

Glaciated
Diameter: 8,000-18,000 km
Description: Earth-like worlds with more than 60% surface covered by surface ice.
Life Forms: Advanced exosystems present.
Known Sapient Species: Ednosian; Coredi; Mhorodin; Heonnak.
Human Habitability: Suitable with minimal or no terraforming.
Examples: Coredan III; Ednosia V; Mhora Prime.

Methane
Diameter: 8,000-18,000 km
Description: A terrestrial world with a methane atmosphere and methane oceans.
Life Forms: Advanced exosystems present.
Known Sapient Species: Chiroctii; Ghariizu; Hanyounqu.
Human Habitability: Requires extensive terraforming.
Examples: Chiroc III; Ghari IV; Hanyounqu III.

Amunian
Diameter: 8,000-18,000 km
Description: A terrestrial world with an ammonia atmosphere and shallow ammonia oceans.
Life Forms: Advanced exosystems present.
Known Sapient Species: Shedrak; Fensuun; Tauresi.
Human Habitability: Requires extensive terraforming.
Examples: Fensa III; Ohrada II; Driadak III.

Vitriolic
Diameter: 8,000-18,000 km
Description: A terrestrial world with lakes, seas, and/or oceans of sulphuric acid.
Life Forms: Advanced exosystems present.
Known Sapient Species: Kolbari; Volganth.
Human Habitability: Requires extensive terraforming.
Examples: Kolbar IV; Ma’Kora Prime; Volgan II.

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PostSubject: Super Terrestrial Planets   Thu Jul 06 2017, 20:36

SUPER TERRESTRIAL PLANETS
These are large rocky planets that are usually anywhere from 18,000 to 80,000km in diameter.  There are seven classes of super-terrestrial planets.

SuperGaian
Diameter: 18,000-50,000 km
Description: Large terrestrial worlds, similar to Gaian worlds though much more massive.  These worlds have 20 - 80% surface water.
Life Forms: Extensive ecosystems present.
Known Sapient Species: D'Qral; Oxrisi.
Human Habitability: No modifications necessary, though gravity may be a concern.
Examples: D’Qral Prime; Oxrisa Prime.

PanThalassic
Diameter: 18,000-50,000 km
Description: Large terrestrial worlds, with oceans covering 80% or more of the surface.
Life Forms: Extensive ecosystems present.
Known Sapient Species: Aazaran; Icthimar; Qalupalik.
Human Habitability: No modifications necessary, though gravity may be a concern.
Examples: Aazara Prime; Icthimar III; Qalu IV.

SuperXeric
Diameter:  18,000-50,000 km
Description:  Large terrestrial worlds with less than 20% surface water coverage.
Life Forms:  Capable of supporting extensive hardy ecosystems.
Known Sapient Species:  Stragroth.
Human Habitability:  Capable of supporting Human life.
Examples: Borian II; Grikla III; Gorvash III; Greath IV.

SuperVenerean
Diameter: 18,000-50,000 km
Description: Large terrestrial worlds with a dense atmosphere of carbon dioxide, and extremely high surface temperatures.
Life Forms: Rare.
Known Sapient Species: Dreneth.
Human Habitability: Possible with extensive terraforming.
Examples: Haraaga II; Lyset Prime; Drena II.

PyroThalassic
Diameter: 18,000-50,000 km
Description: Large terrestrial worlds with a dense atmosphere of carbon dioxide, extremely high surface temperatures, and more than 80% water coverage.
Life Forms: Rare.
Known Sapient Species:  Tharandi.
Human Habitability: Possible with extensive terraforming.
Examples: Hykos II; Tharandar Prime.

SuperGeoPassive
Diameter: 10,000-40,000 km
Description: Large worlds with little to no geological activity, and little to no atmosphere.
Life Forms: Rare, but known.
Known Sapient Species: Vodnar.
Human Habitability: Protected dome colonies only.
Examples: Yamnuk IV; Urnarog VII; Lorix IV; Vodnar IV.

Ice Giant
Diameter: 15,000-80,000 km
Description: Large worlds consisting primarily of ice.  These worlds are found in the outer reaches of a solar system.
Life Forms: None known.
Known Sapient Species: None known.
Human Habitability: Possible with extensive terraforming.
Examples: Korva IX; Vendrila X.

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PostSubject: Gas Giants   Thu Jul 06 2017, 20:37

GAS GIANTS
These are large planetary bodies that have small rocky or ice cores, and thick atmospheres. There are six classifications of gas giants.

MicroJovian
Diameter: 20,000-40,000 km
Description: Small gas dwarfs, whose cores can often take up a large proportion of their mass. Although composed primarily of hydrogen and helium, these worlds can sometimes be coloured bluey-green by methane haze in the upper atmosphere.
Life Forms: Rare.
Known Sapient Species: Shral.
Human Habitability: No.
Examples: Shralash IX;Darwin VII; Altrius VII.

SubJovian
Diameter: 40,000-100,000 km
Description: Small gas giants, whose cores can often take up a large proportion of their mass. Although composed primarily of hydrogen and helium, these worlds can sometimes be coloured bluey-green by methane haze in the upper atmosphere. Some subjovian worlds can have a rather volatile upper atmosphere driven by their internal heat.
Life Forms: Rare.
Known Sapient Species: Aru’Zhi’Luaran; Tava’S’Qor; Shaes’Dusai.
Human Habitability: No.
Examples: Aru'Zhi'Luara IV; Neptune (Sol VII); Uranus (Sol VIII).

Jovian
Diameter: 100,000-250,000 km
Description: Large gas giants, whose primary mass is their atmospheric composition. Composed primarily of hydrogen and helium, these worlds usually have turbulent atmospheres, and no atmospheric haze of significance.
Life Forms: None known.
Known Sapient Species: None Known.
Human Habitability: No.
Examples: Jupiter (Sol V); Saturn (Sol VI).

SuperJovian
Diameter: 250,000-500,000 km
Description: Huge, rare gas giants, whose primary mass is their atmospheric composition. Composed primarily of hydrogen and helium, these worlds usually have turbulent atmospheres, and no atmospheric haze of significance.
Life Forms: None known.
Known Sapient Species: None known.
Human Habitability: No.
Examples: Tybern VIII; Sha’lit IX; Ventat VIII.

HyperJovian
Diameter: 500,000-2,500,000 km
Description: Huge, rare, near-star gas giants, whose primary mass is their atmospheric composition. Composed primarily of hydrogen and helium, these worlds usually have turbulent atmospheres, and no atmospheric haze of significance.
Life Forms: None known.
Known Sapient Species: None known.
Human Habitability: No.
Examples: Aurelia V.

UltraJovian
Diameter: 2,500,000-50,000,000 km
Description: Massive, rare, near-star gas giants, whose primary mass is their atmospheric composition. Composed primarily of hydrogen and helium, these worlds usually have turbulent atmospheres, and no atmospheric haze of significance.
Life Forms: None known.
Known Sapient Species: None known.
Human Habitability: No.
Examples: Pallas IV.

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PostSubject: Re: Planetary Classification System   Sun Oct 08 2017, 23:56

UPDATED 08.10.2017 23:56:24

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PostSubject: Re: Planetary Classification System   Mon Oct 09 2017, 00:16

I've added several new planet types: Vitriolic, Desert, and PyroPelaVenerean.

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PostSubject: Re: Planetary Classification System   Mon Oct 09 2017, 00:40

Added several more planet classes, there are now 25 different classes.

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PostSubject: Re: Planetary Classification System   Sun Oct 15 2017, 14:35

Updated 15.10.2017 14:35:33

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PostSubject: Re: Planetary Classification System   Sun Oct 15 2017, 14:37

There are now 29 classes of planets.

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PostSubject: Re: Planetary Classification System   Tue Oct 17 2017, 03:58

Updated 17.10.2017 03:58:33

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PostSubject: Re: Planetary Classification System   Tue Oct 17 2017, 04:14

There are now 30 classes of planets.

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