Artist Bernd Nicolaisen made this 3D relief of Comet 67P based on Rosetta data. (Credit: Bernd Nicolaisen based on images taken by the Rosetta/OSIRIS cameras, © ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA)