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

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...

Comparative planetary science or comparative planetology is a branch of space science and planetary science in which different natural processes and systems...

In planetary science, any material that has a relatively high equilibrium condensation temperature is called refractory. The opposite of refractory is...

The Planetary Science Decadal Survey is a serial publication of the United States National Research Council produced for NASA and other United States...

interrelation, and past. Planetary science is an interdisciplinary domain, having originated from astronomy and Earth science, and currently encompassing...

The Planetary Science Institute (PSI) is a 501(c)(3) non-profit research institute based in Tucson, Arizona, focusing on planetary science. As of 2018[update]...

A planetary-mass moon is a planetary-mass object that is also a natural satellite. They are large and ellipsoidal (sometimes spherical) in shape. Moons...

The Planetary Science Archive is the central repository for all scientific and engineering data returned by the European Space Agency's Solar System missions...

atmosphere, and geosphere (or lithosphere). Earth science can be considered to be a branch of planetary science but with a much older history. Geology is broadly...

Meteoritics & Planetary Science is a monthly peer-reviewed scientific journal published by Wiley-Blackwell on behalf of the Meteoritical Society. It specialises...

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

in this regard is a component of a number of natural sciences, such as astronomy, planetary science and the emerging discipline of astrobiology. An absolute...

political space advocacy for engineering projects related to astronomy, planetary science, and space exploration. It was founded in 1980 by Carl Sagan, Bruce...

celestial bodies in the field of planetary science. Geography has been called "a bridge between natural science and social science disciplines." Origins of many...

"Overview of the Regional Planetary Image Facility (RPIF) at the Jet Propulsion Laboratory" (PDF). 47th Lunar and Planetary Science Conference. 2016. Archived...

The Planetary Science Journal is a peer-reviewed open access scientific journal of astrophysics and astronomy, established in 2020. It is published by...

Earth and Planetary Science Letters (EPSL) is a bimonthly peer-reviewed scientific journal covering research on physical, chemical and mechanical processes...

Directorate (SMD): the astrophysics, Earth science, heliophysics and planetary science divisions. "Large" refers to the budget of each mission, typically...

The Lunar and Planetary Science Conference (LPSC), jointly sponsored by the Lunar and Planetary Institute (LPI) and NASA Johnson Space Center (JSC), brings...

Planetary symbols are used in astrology and traditionally in astronomy to represent a classical planet (which includes the Sun and the Moon) or one of...

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

pressure-gradient force. In the planetary physics of Earth, the pressure-gradient force prevents gravity from collapsing the planetary atmosphere into a thin,...

The planetary equilibrium temperature is a theoretical temperature that a planet would be if it were in radiative equilibrium, typically under the assumption...

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

Earth sciences, including hydrology and the atmospheric sciences, and so is treated as one major aspect of integrated Earth system science and planetary science...

and moons other than Earth. Unlike other planetary sciences like astrobiology, astrochemistry, and planetary geology, it only began after the discovery...

"Mineralogical records of early planetary processes on the HED parent body with reference to Vesta". Meteoritics & Planetary Science. 32 (6): 841–853. Bibcode:1997M&PS...

The Planetary Defense Coordination Office (PDCO) is a planetary defense organization established in January 2016 within NASA's Planetary Science Division...