Neil deGrasse Tyson and Bill Nye "The Science Guy" came out for a daylong celebration of the 35-year anniversary of the Planetary Society, a space exploration advocacy organization.
Bill Nye, Neil deGrasse Tyson Celebrate 35 Years of The Planetary Society
SPACE.com - 3 Nov 2015 18:56
Neil deGrasse Tyson and Bill Nye "The Science Guy" came out for a daylong celebration of the 35-year anniversary of the Planetary Society, a space exploration advocacy organization.
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