恒星系统 Star system
（重定向自Quadruple star）
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。
Quadruple star
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英语百科
Star system 恒星系统
（重定向自Quadruple star）
![Star system named DI Cha. While only two stars are apparent, it is actually a quadruple system containing two sets of binary stars.[11]](/uploads/202502/05/Smoke_ring_for_a_halo5615.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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