A blog listing news and updates for the cloudymidnights site - a site dedicated to climatically challenged or visually impaired astronomers.
Sunday, December 14, 2014
Rosetta Reignites Debate over Earth's Oceans
Source - NASA Science News for Dec. 14, 2014
popular theory holds that ocean water was brought to Earth by the
ancient impacts of comets and asteroids. However, new data from the
European Space Agency’s Rosetta spacecraft indicate that terrestrial
water did not come from comets like 67P/Churyumov-Gerasimenko.