Archived Blog Post: December 16, 2003

The Universe May Be Littered with 'Water Worlds': "'The more eccentric giant planet orbits result in drier terrestrial planets,' Raymond said. 'Conversely, more circular giant planet orbits mean wetter terrestrial planets.' In the case of our solar system, Jupiter's orbit is slightly elliptical, which could explain why Earth is 80 percent covered by oceans rather than being bone dry or completely covered in water miles deep."