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Class A -Geothermal- Class A worlds tend to be small and often (not always) lack strong metal deposits (and thus, have little magnetic field). Geothermal worlds are often believed to be worlds in the process of forming. However, many Class A worlds reside too close their star and thus, never progress into a Class B stage. Geothermal worlds are characterized by their almost entirely molten surfaces. |
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Class B -Geomorteus- Class B Geomorteus worlds closely resemble Geothermal worlds in that they possess molten surfaces and a harsh atnosphere. However, Class B worlds are usually found deeper in the solar system and almost always cool to become Geoinactive. Class B worlds often lack strong deposists of metals and thus, have weak magnetic fields. |
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Class C -Geoinactive- Class C worlds are the ones that didn't quite make it. Because of a fairly quick cooling period or simply because of a lack of geological activity, they didn't form the necessary metals, magnetic field or mass to make it as a life-sustaining world. Essentially, Class C worlds are dead and lifeless worlds that may or may not have a small molten core. |
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Class D -Asteroid/Planetoid- Class D worlds differ from Class C worlds in that they tend to be much smaller and often have no core. Most Class D worlds are made of ejecta, usually from planetary collision, or were stellar matter that never quite coalesced into a viable planet. Some asteroid belts are the remains of ancient, now destroyed, planets. |
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Class E -Geoplastic- Class E worlds are new worlds that have to potential to form into viable, life-supporting bodies. |
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Class F -Geometallic- Class F worlds are evolving towards a stabilized tectonic crust and a more uniform, solid core. |
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Class G -Geocrystalline- Class G worlds are in transition from lifeless ball of volcanic rock to a more suitable and possibly fruitious globe that can support life. |
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Class H -Desert- Class H worlds are very arid worlds with thin atmospheres. They tend to have extremes of temperature, little seasonal variations and are either hot and arid or cold and tundra-like. Many possess highly concentrations of metallic vapor |
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Class I -Superjovian- Superjovian worlds, while gigantic, are being discovered at an alarmingly common rate. The can exhibit the same Subclasses as Class J Jovian worlds. |
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Class J -Jovian- Jovian worlds are made up of various types of gas. They are not nearly as dense as rocky worlds. They exhibit several subclasses. |
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-Jovian Subclasses- |
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Class K -Adaptable- Class K worlds tend to be too small to hold onto a viable atmosphere and thus, have very low atmospheric pressure and only heavy gases. |
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Class L -Marginal- Class L Worlds have limited surface water and tend to have nonporous, rocky surfaces in which only hardy vegetation lives. They are capable of supporting Human life, but the atmosphere can feel very stuffy from the CO2. |
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Class M -Minshara- Minshara-Class worlds (term derived from Vulcan) are the worlds most likely to hold a vast array of lifeforms, even sentient life. The appearance of Minshar-class worlds can vary greatly. |
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Class N -Reducing- Rocky, highly volcanic worlds with extremely high surface temperatures and a soup of abrasive volcanic gases trapped in a greenhouse gas. |
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Class O -Pelagic- Earth-like worlds that have more than 80% liquid water covering their surfaces are considered to be Class O. |
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Class P -Glaciated- Class P worlds are very similar to Minshara-Class planets, except that 80% or more of the planet is covered in ice water. |
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Class Q -Variable- Class Q worlds tend to have regions of extreme hot and cold, with little or no temperate zone. |
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Class R -Rogue- Rogue worlds do not belong to a star system. Usually, they have escaped their home system and have, over a period of millenia, drifted into deep space. |
