Neil deGrasse Tyson is an astrophysicist and the Director of the Hayden Planetarium at the American Museum of Nature History. He also collects cosmic-themed neckties and has an amazing cosmic vest.
Aired:
04/22/10
| Expires: | Runtime: 7m 21s
You are leaving GBH.org
You are leaving gbh.org and going to a web page that is not owned by GBH. If you are streaming, your experience will be interrupted.