A planetary system is a set of gravitationally bound non-stellar bodies in or out of orbit around a star or star system. Generally speaking, systems with...

Understanding of the Origin of Planetary Systems". Strategy for the Detection and Study of Other Planetary Systems and Extrasolar Planetary Materials: 1990–2000...

bodies (such as moons, asteroids, comets) and planetary systems (in particular those of the Solar System) and the processes of their formation. It studies...

A planetary coordinate system (also referred to as planetographic, planetodetic, or planetocentric) is a generalization of the geographic, geodetic, and...

moonlets and stellar objects. Ring systems are best known as planetary rings, common components of satellite systems around giant planets such as of Saturn...

nebular hypothesis of solar system formation describes how protoplanetary disks are thought to evolve into planetary systems. Electrostatic and gravitational...

October 2024, there are 5,780 confirmed exoplanets in 4,314 planetary systems, with 969 systems having more than one planet. The James Webb Space Telescope...

is unknown, planetary habitability is largely an extrapolation of conditions on Earth and the characteristics of the Sun and Solar System which appear...

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

peculiar planetary shapes have been depicted, including flattened, cubic, and toroidal. Some fictional planets exist in multiple-star systems where the...

Planetary habitability in the Solar System is the study that searches the possible existence of past or present extraterrestrial life in those celestial...

originate from planetary systems in which they are formed and later ejected, or they can also form on their own, outside a planetary system. The Milky Way...

Planetary nomenclature, like terrestrial nomenclature, is a system of uniquely identifying features on the surface of a planet or natural satellite so...

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...

stellar encounters. Such a scenario may mean that Proxima Centauri's planetary companions have had a much lower chance for orbital disruption by Alpha...

The Planetary Data System (PDS) is a distributed data system that NASA uses to archive data collected by Solar System missions. The PDS is an active archive...

the Solar System, such as asteroids, the Kuiper belt, and comets. Planetary geology largely applies concepts within the geosciences to planetary bodies in...

the Sun becomes a white dwarf. MOA-2010-BLG-477L List of exoplanets and planetary debris around white dwarfs "Finding the constellation which contains given...

star systems. Star systems are not to be confused with planetary systems, which include planets and similar bodies (such as comets). A star system of two...

are mass and metallicity because they determine how these planetary systems form. Systems with higher mass and metallicity tend to have more planets...

Group for Planetary System Nomenclature (WGPSN), which maintains the astronomical naming conventions and planetary nomenclature for planetary bodies, and...

year later than plans announced last year. NASA Lunar and Planetary Science NASA Solar System Strategic Exploration Plans Soviet Lunar, Martian, Venusian...

likeliest dwarf planets and dates of discovery A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, massive enough to...

as they explore a planetary system stuck in a 22-minute time loop that resets after the sun goes supernova and destroys the system. Through repeated attempts...

October 2024, there are 5,780 confirmed exoplanets in 4,314 planetary systems, with 969 systems having more than one planet. Most of these were discovered...

as a planetary system or an electron in an electromagnetic field. These systems can be studied in both Hamiltonian mechanics and dynamical systems theory...

Planetary migration occurs when a planet or other body in orbit around a star interacts with a disk of gas or planetesimals, resulting in the alteration...

that there are several stars lying within its borders that possess planetary systems. The two brightest stars, α Aquarii and β Aquarii, are luminous yellow...

formation and evolution of the Solar System (as well as other planetary systems). It suggests the Solar System is formed from gas and dust orbiting the...

The InterPlanetary File System (IPFS) is a protocol, hypermedia and file sharing peer-to-peer network for storing and sharing data in a distributed file...