ESA’s Rosetta orbiter has detected molecules of oxygen in the coma of comet 67P/Churyumov–Gerasimenko. Rosetta has made the first in situ detection of oxygen molecules outgassing from a comet; this surprising observation suggests they were incorporated into the comet during its formation. This infographic depicts various strands of evidence gathered for the study. Image credit: ESA / ATG medialab / Rosetta / NavCam / A. Bieler et al. / CC BY-SA...
