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Program Directory

Big Picture Science

Have sci­en­tists found evi­dence of life on Venus? Known for its scorch­ing tem­per­a­tures and acidic atmos­phere, Earth’s twin hard­ly seems a promis­ing place for liv­ing things. But could a dis­cov­ery of phos­phine by researchers at MIT point to a high-alti­tude bios­phere on this near­by world?

Guests:

Clara Sousa – Sil­va — Research sci­en­tist in MIT’s Depart­ment of Earth, Atmos­pher­ic and Plan­e­tary Sci­ences. She and Sara Sea­ger co-authored a paper in Jan­u­ary 2020 titled, Phos­phine as a Biosig­na­ture Gas in Exo­plan­et Atmospheres”

Sara Sea­ger — Pro­fes­sor of physics and plan­e­tary sci­ence, Mass­a­chu­setts Insti­tute of Tech­nol­o­gy and author of The Small­est Lights in the Universe”

Nathalie Cabrol — Plan­e­tary Sci­en­tist and Direc­tor of the Cal Sagan Cen­ter at the SETI Institute

David Grin­spoon — Senior Sci­en­tist at the Plan­e­tary Sci­ence Insti­tute, author of Earth in Human Hands.”