1x7 - StarTalk with Neil deGrasse Tyson

Social Media-Savvy Astronauts are taking over the cosmos. Dr. Neil deGrasse Tyson and Chris Hadfield, the first Canadian astronaut to walk in space, discuss social media milestones in space, and its usage among today’s astronauts. Former astronaut Dr. Mike Massimo and comedian Eugene Mirman comment on this growing trend.