Planets Under Our Feet: The Caves on Earth, Mars, and Beyond (with Dr. Penelope Boston)

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New exploration indicates that caves may be more common on rocky and icy worlds in our Solar System than we have thought in the past. Caves below the Earth show us a very different planet than the familiar one we experience on the surface. Each dark cave system has its own micro-organisms and distinctive mineral and chemical properties. Dr. Penelope Boston, NASA Ames Research Center, takes us on a tour of the some of the most spectacular caves under the Earth and the unusual life-forms they harbor, and considers how the lessons they teach us can be applied to the exploration of the Solar System, especially the icy moons of the giant planets.
(Recorded Feb. 27, 2019)

26 episodes