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Class A gas giant

For other uses, see Class A.

In planetary classification, a class A gas giant is a type of planet. As the name describes, the planet is generally composed of a tenuous gas concentration, with or without a more solid subsurface or core. In many cases, methane composes a significant amount of the planetary atmosphere. In particular among gas giant planets, the class A worlds of this type are radiant of heat and some energy, differing in this respect from the class B gas giant. Jupiter is an example of a class A radiant gas body. Some notations on this classification list worlds of this type as being similar to unborn stars that have failed to ignite into nuclear fusion. (ST references: Star Trek Maps, The Worlds of the Federation)

This classification should not be confused with the class A geothermal planet described in ST reference: Star Charts.

Planets of this type[]

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Planetary classification
numeric: class 9
("Q'tahL"-class) 		alphabetical: class A
class A geothermal
class A gas giant
class B
class B geomorteus
class B gas giant 		class C
class C geoinactive
class C reducing 		class D class E
class F
class F geometallic
class F geocrystalline 		class G
class G geocrystalline
class G desert 		class H
class H desert
class H geothermal 		class I
class I gas supergiant ("Q'tahL"-class)
class I metallic/silicate
class J
class J gas giant
class J moon 		class K
class K silicate/adaptable
class K transjovian 		class L class M ("Minshara"-class)
class MZ
class N
class N reducing
class N pelagic 		class O class P class Q
class R class S class T class Y
("Demon"-class)

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