In this eyeopening keynote conversation with Dr. Neil deGrasse Tyson, sxsw attendees were treated to an insiders look at the new series Cosmos: A Spacetime Odyssey. After the talk we ask people to comment on what was there favorite part of the conversation with Neil deGrasse Tyson. Videography/Editing by Jeffry Zavala. Produced for Waywire. http://waywire.com
