Water Worlds

Research Suggests Water Content Of Moon Interior Underestimated
“NASA-funded scientists estimate from recent research that the volume of water molecules locked inside minerals in the Moon’s interior could exceed the amount of water in the Great Lakes here on Earth.”
New CU-Boulder Study Indicates An Ancient Ocean May have Covered One-Third of Mars
“Collectively, these results support the existing theories regarding the extent and formation time of an ancient ocean on Mars and imply the surface conditions during the time probably allowed the occurrence of a global and active hydrosphere integrating valley networks, deltas and a vast ocean as major components of an Earth-like hydrologic cycle,” Di Achille and Hynek wrote in Nature Geoscience.”