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The pristine interior of comet 67P revealed by the combined Aswan outburst and cliff collapse
Jorda, L.; Lara, L. M.; Bertaux, J. -L. +61 more
Outbursts occur commonly on comets1 with different frequencies and scales2,3. Despite multiple observations suggesting various triggering processes4,5, the driving mechanism of such outbursts is still poorly understood. Landslides have been invoked6 to explain some outbursts on comet 103P/Hartley 2, alth…
Protostellar and cometary detections of organohalogens
Bourke, Tyler L.; Rosina Team; Öberg, Karin I. +15 more
Organohalogens, a class of molecules that contain at least one halogen atom bonded to carbon, are abundant on the Earth where they are mainly produced through industrial and biological processes1. Consequently, they have been proposed as biomarkers in the search for life on exoplanets2. Simple halogen hydrides have been detec…
Comets: Exposing the icy interior of 67P
Delbo, Marco
Images from ESA's Rosetta mission show, in real time, the processes that sculpt the surface of a comet, which is revealed to have a pristine icy interior surrounded by an evolved surface.