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As Comet 67P/Churyumov-Gerasimenko arcs ever closer to our sun, the Rosetta mission reveals its host comet as having a remarkable array of surface features and processes contributing to its activity. Join Exploratorium Senior Scientist Paul Doherty as he interprets the mission's complex picture of the comet's evolution and the questions it raises about the origins of our oceans here on Earth.
Rosetta Mission, update, science, exploration, comet, comet 67P, dust, ice, orbit, Philae, space, astronomy