In a study published in the journal Nature Astronomy, researchers make the first definitive link between an outburst of dust and gas from the nucleus of 67P/Churyumov-Gerasimenko and the collapse of a prominent cliff, which also exposed the comet’s pristine, icy interior. Left: images of the 230-foot (70 m) long, 3.3-foot (1 m) wide fracture at the top of the 440-foot (134 m) high Aswan cliff in the Seth region of 67P/Churyumov-Gerasimenko (marked...
