The ancient stargazers had no knowledge of multiple star systems, but it's thought they did notice this star's brightness change.
古代的天文学家并不了解多星宿系统。但他们已经注意到这个颗星的明亮化变化。
The ancient stargazers had no knowledge of multiple star systems, but it's thought they did notice this star's brightness change.
古代的天文学家并不了解多星宿系统。但他们已经注意到这个颗星的明亮化变化。
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