Neil deGrasse Tyson and Bill Nye Catch Up

Could life hitchhike across planets? What color is the sky on Mars? Neil deGrasse Tyson and Bill Nye, the current CEO of the Planetary Society, team up to discuss the science and advocacy that goes into space exploration, unraveling the threads of discovery that define humanity's quest to understand the cosmos. Bill and Neil discuss the tantalizing possibility of life beneath Europa’s frozen surface, where a 4.5-billion-year-old ocean may hide secrets of alien biology.

Courtesy of StarTalk on YouTube. Watch on YouTube ↗

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