Big Picture Science

Life on Venus?

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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”

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