Planetary means relating to a

planet A planet is a large, Hydrostatic equilibrium, rounded Astronomical object, astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself. The Solar System has eight planets b ...

or planets. It can also refer to:

Science

Planetary habitability Planetary habitability is the measure of a planet's or a natural satellite's potential to Abiogenesis, develop and sustain an environment hospitable to life. Life may be abiogenesis, generated directly on a planet or satellite endogenously. Res ...

, the measure of an astronomical body's potential to develop and sustain life *

Planetary nebula 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. The term "planetary nebula" is a misnomer because they are unrelated to planets. The ...

, an astronomical object

People

Planetary (rapper) Mario Collazo (born August 8, 1978), better known by his stage name Planetary, is an American underground rapper from Philadelphia, Pennsylvania. He is one half of the rap duo OuterSpace and a member of Army of the Pharaohs. Biography Early ...

, one half of east coast rap group OuterSpace

Arts, entertainment, and media

* ''Planetary'' (comics), a comic book series by Warren Ellis and John Cassaday * "

Planetary (Go!) "Planetary (Go!)" (stylized as "Planetary (GO!)") is a song by the American rock band My Chemical Romance from their fourth studio album, '' Danger Days: The True Lives of the Fabulous Killjoys'' (2010). A dance-punk, electropop, power pop, and ...

", a 2011 song by rock band My Chemical Romance * ''Planetary Radio'', a public radio show about space exploration, produced by The Planetary Society

Organizations

The Planetary Society The Planetary Society is an American internationally-active non-governmental nonprofit organization. It is involved in research, public outreach, and political space advocacy for engineering projects related to astronomy, planetary science, a ...

, the Earth's largest space interest group

Technology

Epicyclic gearing 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 (the "planet") revolves around the center of the other (the "sun"). A carrier connects the ...

(planetary gearing), an automotive transmission technology * Planetary scanner, type of image scanner for making scans of rare books with mounted camera taking photos {{disambiguation