@CNN: Astrophysicist Neil deGrasse Tyson on the possible existence of UFOs: “The evidence is so paltry for aliens to visit Earth, I have no further interest” https://t.co/7ubaVaIvnR https://t.co/hFN0ANDWZK
Astrophysicist Neil deGrasse Tyson on the possible existence of UFOs: “The evidence is so paltry for aliens to visit Earth, I have no further interest” https://t.co/7ubaVaIvnR http://pic.twitter.com/hFN0ANDWZK
— CNN (@CNN) December 20, 2017