Look up planetary in Wiktionary, the free dictionary. Planetary means relating to a planet or planets. It can also refer to: Planetary habitability, the...
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A planetary system is a set of gravitationally bound non-stellar objects in or out of orbit around a star or star system. Generally speaking, systems...
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Planetary habitability is the measure of a planet's or a natural satellite's potential to develop and maintain environments hospitable to life. Life may...
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A planetary core consists of the innermost layers of a planet. Cores may be entirely liquid, or a mixture of solid and liquid layers as is the case in...
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Planetary romance (other synonyms are sword and planet, and (inter)planetary adventure) is a subgenre of science fiction or science fantasy in which the...
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A planetary nebula is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives...
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Planetary science (or more rarely, planetology) is the scientific study of planets (including Earth), celestial bodies (such as moons, asteroids, comets)...
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In planetary science, planetary differentiation is the process by which the chemical elements of a planetary body accumulate in different areas of that...
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Epicyclic gearing (redirect from Planetary gear)
An epicyclic gear train (also known as a planetary gearset) is a gear reduction assembly consisting of two gears mounted so that the center of one gear...
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Planetary is an American comic book series created by writer Warren Ellis and artist John Cassaday, and published by the Wildstorm imprint of DC Comics...
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