@CNN: Astrophysicist Neil deGrasse Tyson had this to say about UFOs: “Call me when you have a dinner invite from an alien” https://t.co/ppZ5q2bXAJ https://t.co/zsyF7mKMDV
Astrophysicist Neil deGrasse Tyson had this to say about UFOs: "Call me when you have a dinner invite from an alien" https://t.co/ppZ5q2bXAJ http://pic.twitter.com/zsyF7mKMDV
— CNN (@CNN) December 21, 2017