Description: 天文馆是一种配备专业设备的剧场，用于展示天文现象。大多数天文馆配备专用投影设备和半球形穹顶。当恒星和行星投影到穹顶上时，观众仿佛置身于人造夜空之下。传统的光机投影仪专门用于模拟夜空，而数字天文馆则使用一个或多个“专用投影仪”，不仅可以投射夜空，还可以展示任何类型的动态影像。这种技术使得“穹顶电影”不仅限于天文学主题，观众可以在虚拟飞船中“遨游太空”，也可以深入探索人类DNA的微观世界等其他主题。

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

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