These images, acquired with Rosetta’s OSIRIS wide-angle camera using specific wavelength filters, map the emissions of three gases from the surface of comet 67P/Churyumov-Gerasimenko. From left to right, the panels show hydroxyl molecules (blue; 308nm filter), oxygen atoms (orange; 630nm), and cyanide molecules (green; 387nm). The OSIRIS instrument captured the images on March 12, 2015, […]