Astrophysicist Dr. Neil deGrasse Tyson shares a old photo of Bill Nye, CEO of the Planetary Society, at More to Explore: A Space Celebration with Bill Nye at the Pasadena Civic Auitorium on Saturday, October 24, 2015. Tyson received the Cosmos Award for Outstanding Public Presentation of Science from the Planetary Society. The Planetary Society also celebrated its 35th anniversary on October 23.