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A planetary system is a set of gravitationally bound non-stellar objects in orbit around a star or star system. Generally speaking, planetary systems describe systems with one or more planets, although such systems may also consist of bodies such as dwarf planets, asteroids, natural satellites, meteoroids, comets and planetesimals as well as discernable features including circumstellar disks. The Sun together with its planetary system, which includes Earth, is known as the Solar System. The interchangeable terms extrasolar system and exoplanetary system are sometimes used in reference to other planetary systems. Individually they may be referred to as system prefixed by the name of the star or star system that it orbits or sometimes simply the name of the star system.

Pages in category "Planetary Systems"

The following 11 pages are in this category, out of 11 total.