This image, captured on 19 September 2014, provides evidence of material flowing out from a pit in the Maftet region of Comet 67P/Churyumov–Gerasimenko. The observation supports the concept of subsurface fluidisation mechanisms.
Credits: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA