To Europa, on the double!
John J. Corbin
November 26, 2012
I believe we should explore Europa's oceans. In order for any future interplanetary exploration to be more feasible, the U.S. and its space partners should develop and produce a revolutionary fast rocket propulsion system.
The Planetary Fund
Help us accelerate progress in our four core enterprises: Robotic Space Exploration, Human Space Exploration, Planetary Defense, and The Search for Life.