Jason Howell and Scott Wilkenson talk with William Sparks and Jennifer Wiseman about the discovery of water on Europa and what this could mean when it comes to finding life on this moon of Jupiter. Dr. Sparks shares how we used ultraviolet light uncover water vapor plumes. And Jennifer Wiseman puts this project into perspective with all of NASA's missions.

For the full episode, go to twit.tv/nss/73

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