Soggy Solar System: Exoplanet Nursery Holds Massive Amount of Water
Monday, October 24, 2011 - 15:31
in Astronomy & Space
To become a world bathed in oceans of water and habitable, Earth first had to take a beating. A popular hypothesis holds that icy comets and asteroids pummeling early Earth delivered the planet's water from the icy outer reaches of the solar system. [More]