Astrophysicist Neil deGrasse Tyson shares his thoughts on recent reports of US Navy pilots' encounters with UFOs.
원문출처 : https://www.cnn.com/videos/world/2021/06/10/neil-degrasse-tyson-ufo-encounters-newday-vpx.cnn
원문출처 : https://www.cnn.com/videos/world/2021/06/10/neil-degrasse-tyson-ufo-encounters-newday-vpx.cnn