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In 2020 China planted a flag on the Moon on its Chang'e-5 mission
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In 1986, the Challenger spacecraft suffered a catastrophic failure seconds after launching, killing all seven crew members on board.，更多细节参见爱思助手下载最新版本
Create a Jupyter Notebook that, using `polars` to process the data, does a thorough exploratory data analysis of data saved in `youtube_videos.db`, for all columns.