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Comet landscape from 8 kilometers (OSIRIS) In October 2014, Rosetta ventured to within 8 kilometers of the surface of comet Churyumov-Gerasimenko -- lower than the cruising altitude of a passenger plane -- to capture this photo of smooth plains and steep cliffs with its OSIRIS science camera. ESA / Rosetta / MPS for OSIRIS Team MPS / UPD / LAM / IAA / SSO / INTA / UPM / DASP / IDA