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