来源：央视新闻客户端 | 2022-03-23 19:20:09 |
星空浩瀚无比，探索永无止境。今天（3月23日）下午，中国空间站“天宫课堂”开展第二次太空授课活动，继续采取天地对话方式进行。
在“天宫课堂”液桥演示实验中，水在表面张力作用下将两个塑料板连接起来，在太空可用液体搭一座桥。戳视频↓↓↓
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