Rosetta Uncovers Unexpected Processes at Work in Comet’s Coma

Rosetta’s continued study of Comet 67P/Churyumov–Gerasimenko has revealed an unexpected process at work that causes the rapid breakup of water and carbon dioxide molecules spewing from the comet’s surface. Data collected by NASA’s Alice instrument aboard the European Space Agency’s Rosetta spacecraft reveal that electrons close to the surface of comet 67P/Churyumov-Gerasimenko — not photons […]
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