Does Europa Have 2X Earth's Liquid Water? Very Likely! | NASA Video

With a cracked, ridge-ridden, salty crust of ice, very few craters and a string, shifting magnetic field, Jupiter's moon Europa seems to be telling scientists it has a whole lot of ocean just under its surface. Galileo (Europa's discoverer) would be, well, amazed. NASA's Jet Propulsion Laboratory made this entertaining video.
credit : NASA / JPL