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“二月二,龙抬头”指的是啥?
“‘龙抬头’源于我国古人对东方天空中群星形象的浪漫想象。”中国科学院紫金山天文台科普主管王科超介绍,我国古代将天球赤道和黄道附近的恒星划分为二十八宿,按方位可分为东、南、西、北四宫,也称“四象”,分别是东方苍龙、南方朱雀、西方白虎、北方玄武。“龙抬头 ...
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