Astrophysicist Neil deGrasse Tyson discusses several unidentified objects that US fighter jets have shot down in recent days. #CNN #News Summarize this content to 100 words [matched_content] source See Neil deGrasse Tyson’s reaction to shot down UFOs 596964 , 2023-02-15 11:58:08 , 00:08:21 UCupvZG-5ko_eiXAupbDfxWw 7514 [vid_tags]