Rosetta Reignites Debate on Earth's Oceans
Huntsville AL (SPX) Dec 18, 2014 - Where did our planet get its oceans? Among planetary scientists, this is one of the most important and perplexing questions about the origins of Earth. One popular theory holds that 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/Chury ... more
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