Multiple star system

A multiple star system is a star system that contains more than one star.
==Binary star system==
A binary star system is a star system with two stars. These stars may orbit around their common centre of gravity or one may orbit the other as a planet would.
===Binary systems===
*Kobliad system
==Trinary star system==
A trinary star system is a star system made up of three stars. Two or three of the stars could orbit around a common centre of gravity or consist of a binary pair that orbit each other with the third star further away in a planetary orbit.
===Trinary systems===
*40 Eridani system
*Alpha Centauri system
==External link==
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Category:Astronomical objects