Look up planetary in Wiktionary, the free dictionary. Planetary means relating to a planet or planets. It can also refer to: Planetary habitability, the...

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...

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...

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...

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...

Planetary romance (other synonyms are sword and planet, and (inter)planetary adventure) is a subgenre of science fiction or science fantasy in which the...

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...

Planetary science (or more rarely, planetology) is the scientific study of planets (including Earth), celestial bodies (such as moons, asteroids, comets)...

Planetary Annihilation is a real-time strategy PC game originally developed by Uber Entertainment, whose staff included several video game industry veterans...

free-floating planet (FFP) or an isolated planetary-mass object (iPMO), is an interstellar object of planetary mass which is not gravitationally bound to...

Planetary boundaries are a framework to describe limits to the impacts of human activities on the Earth system. Beyond these limits, the environment may...

category; Ceres, Pluto, and Eris are in the category of dwarf planet. Many planetary scientists have nonetheless continued to apply the term planet more broadly...

Planetary geology, alternatively known as astrogeology or exogeology, is a planetary science discipline concerned with the geology of celestial bodies...

Planetary consciousness is the idea that human beings are members of a planetary society of Earth as much as they are members of their nations, provinces...

In Traditional Western Occultism, Planetary intelligences are one of the seven divine beings associated with each of the seven traditional planets of...

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...

The planetary hours are an ancient system in which one of the seven classical planets is given rulership over each day and various parts of the day. Developed...

The Planetary Society is an American internationally-active non-governmental nonprofit organization. It is involved in research, public outreach, and...

A planet symbol or planetary symbol is a graphical symbol used in astrology and astronomy to represent a classical planet (including the Sun and the Moon)...

A planetary civilization or global civilization is a civilization of Type I on the Kardashev scale. This type of civilization is likely to be reliant...

can be applied more broadly to other celestial bodies in the field of planetary science. Geography has been called "a bridge between natural science and...

In planetary science, planetary differentiation is the process by which the chemical elements of a planetary body accumulate in different areas of that...

A planetary-mass object (PMO), planemo, or planetary body is, by geophysical definition of celestial objects, any celestial object massive enough to achieve...

sometimes planetary rover) is a planetary surface exploration device designed to move over the rough surface of a planet or other planetary mass celestial...

Planetary Duality is the second studio album by American death metal band The Faceless. It was released on November 11, 2008 through Sumerian Records...

Planetary health is a multi- and transdisciplinary research paradigm, a new science for exceptional action, and a global movement. Planetary health refers...

The following is an incomplete list of known planetary nebulae. Table entries are sourced from the individual articles, where available, for each nebula...

Planetary Resources, Inc., formerly known as Arkyd Astronautics, was an American company that was formed on 1 January 2009, and reorganized and renamed...

A planetary surface is where the solid or liquid material of certain types of astronomical objects contacts the atmosphere or outer space. Planetary surfaces...

Archive, As of 25 July 2024, there are 5,741 confirmed exoplanets in 4,285 planetary systems, with 960 systems having more than one planet. The James Webb...