Learn more about the project at solarsystem.nasa.gov/naititan/overview/

Watch other videos in the series here:

Dr. David Grinspoon, curator of astrobiology at the Denver Museum of Nature & Science gives a brief history of the discovery and science of Saturn’s moon Titan. Next David introduces the debate topic of whether or not Titan is geologically dead (like Mars) or is geologically alive (like Earth) and introduces the two debaters, Dr. Ralph Lorenz (Applied Physics Laboratory) and Dr. Jeff Moore (NASA Ames Research Center). Join us as Dr. Lorenz defends the evidence for an active interior, creating the surface features seen, and as Dr. Moore defends his case of a dead interior, with weathering processes creating the surface features seen on Titan.

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