"The Ocean Galaxy" --Many of Milky Way's 4,000 Known Exoplanets May Be Water Worlds | The Daily Galaxy
“Plumes of water erupt from Europa and Enceladus, so we can tell that these bodies have subsurface oceans beneath their ice shells, and they have energy that drives the plumes, which are two requirements for life as we know it,” says Lynnae Quick, a NASA planetary scientist who specializes in volc...