There are triple star systems, quadruple, and more.
有三合星系统，四合星系统，还有更多。
Triple star system
原声例句
Crash Course 天文篇
科拉诺斯动画科普
Alpha Centauri B is located in a triple star system over 4.3 light years from Earth.
半人马座阿尔法 B 位于距离地球 4.3 光年的三合星系统中。
中文百科
恒星系统 Star system
（重定向自Triple star system）
![艺术家臆测的HD 188753轨道，是一个三合星系统。](/Images/godic/202502/17/HD188753_orbit3349.jpg")
恒星系统或恒星系是少数几颗恒星受到引力的拘束而互相环绕的系统，为数众多的恒星受到引力的约束一般称为“星团”或“星系”，但是概括来说都可以称为恒星系统。恒星系统有时也会用在单独但有更小的行星系环绕的恒星。
英语百科
Star system 恒星系统
（重定向自Triple star system）
![](/Images/godic/202502/17/Algol_triple_star_system_imaged_with_the_CHARA_interferometer3349.jpg")
![](/Images/godic/202502/17/Algol_AB_movie_imaged_with_the_CHARA_interferometer_-_labeled3349.gif")
![Star system named DI Cha. While only two stars are apparent, it is actually a quadruple system containing two sets of binary stars.[11]](/Images/godic/202502/17/Smoke_ring_for_a_halo3349.jpg")
A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems. Star systems are not to be confused with planetary systems, which include planets and similar bodies.
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