Neil deGrasse Tyson on Finding Life on Mars and Exoplanets

Will we discover life first on Mars or on an exoplanet in the Goldilocks zone around a distant star? To answer this Cosmic Query, astrophysicist Neil deGrasse Tyson and Eugene Mirman discuss the technology required to find microbial life on Mars, which we already have, vs. the new technology we're just developing that can help us search for biomarkers in the atmospheric chemistry of an exoplanet, including methane, which is unstable on its own and could indicate the presence of you love StarTalk Radio, don't miss out on any StarTalk news. Sign up for our free newsletter: up with StarTalk Radio around the web:iTunes - - - - #!/StarTalkRadioFacebook - + - - - -

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