• A heavenly body kept in orbit around a planet by gravitational force.

    一种因引力而沿轨道绕行星旋转的天体

    yeebang.com

  • Solar system is by receives the system which the gravitational pull restraint the heavenly body is composed, its most wide range approximately may extend to 1 light year outside.

    太阳系太阳引力约束天体组成系统最大范围延伸1光年以外

    www.0564auto.cn

  • Solar system is by receives the system which the gravitational pull restraint the heavenly body is composed, its most wide range approximately may extend to 1 light year outside.

    太阳系太阳引力约束天体组成系统最大范围延伸1光年以外

    www.0564auto.cn

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