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双星一般指天文学上的双星,可再区分为以下两种:

  • 双星:只是角距离非常近,但实际距离很远的两颗星。
  • 联星:又称为“物理双星”,由两颗绕著共同的重心旋转的恒星组成。

还可以指:

也可能是指:

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