starsystem
nounUK /ˈstɑːˌsɪstəm/
US /ˈstɑːrˌsɪstəm/
A star system is a group of stars that move around each other in space.
Our Sun is part of a star system with many planets.
OTHER MEANINGS
2. A group of two or more stars held together by gravity.
The binary star system has two suns that orbit each other.
3. A star and all the objects that travel around it.
Scientists study the star system to learn about its planets.
4. A collection of stars that form a recognizable pattern in the sky.
Ancient people used the star system to find their way at night.