n.平面球形图；平面天体图；星座一览表
English: Stereographic projection is known since the antiquity and was originally known as the planisphere projection. 立体绘图法原称为星座盘投影法。
Be cramped into a planisphere. 从而把我们连接在一起。
nautical planisphere 航海用平面图
"planisphere" clustering method “星座”图聚类法
honeycomb planisphere extension 蜂窝星座图
