@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/2kt1faafzN https://t.co/wcbLHMFqzd

@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/2kt1faafzN https://t.co/wcbLHMFqzd