Video: Astrophysicist responds to question “Do you believe in UFO’s?”

Popular astrophysicist, Dr. Neil deGrasse Tyson, answers this question from the audience with a generous sense of humour, at a event held in St Petersburg in 2009 titled Cosmic Quandaries. 

Advertisements
Read more "Video: Astrophysicist responds to question “Do you believe in UFO’s?”"