Technology Rosetta Mission Data Reveals Chemical Composition of Comet 67P and Origins by Technology Editor — Leo Andersson June 2, 2026 by Technology Editor — Leo Andersson June 2, 2026 The European Space Agency’s Rosetta mission conducted an extensive study of the nucleus and chemical composition of Comet 67P/Churyumov-Gerasimenko. … 0 FacebookTwitterPinterestEmail