Out of the Silent Planet

Episode 11 - Planetary Prophylactics


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In this episode we discuss the issue of Planetary Protection, that is, how to keep terrestrial microorganisms from hitching a ride and potentially contaminating other worlds in our solar system. Specifically, we discuss the basics of international planetary protection policy, why we might be a little too overprotective of Mars, and how the Europa Clipper team is calculating the risk of contamination for their mission. Plus, the lil’ helicopter Ingenuity takes flight on Mars and SpaceX has another smooth delivery of NASA astronauts to the ISS! 

Timestamps:

  • 00:32 - Welcome, Ingenuity flight, and SpaceX Crew-2, 
  • 16:15 - Planetary Protection in the New Space Era (Cheney et al., 2020)
  • 41:14 - The astrobiological exploration of Mars (Fairén et al., 2019)
  • 1:16:27 - Europa Clipper planetary protection probabilistic risk assessment (McCoy et al., 2021).
  • ...more
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    Out of the Silent PlanetBy Tony Maue, Michael Phillips