Astronomy Picture of the Week – Stone Mesas of the Cydonia Region on Mars
This photo of the unusual stone mesas of the Cydonia region on Mars was taken by the robotic spacecraft called Mars Express. It shows an area about 90 kilometers wide. What most people don’t know is that the region in the far lower right of this photo is the same region in which the Viking orbiter saw a human face in 1976. This was due to the angle in which the mesa was lit. We could say it was some sort of an optical illusion, since without shading the whole thing is just a regular mound of rock.
For comparison a picture of the famous “Face on Mars” as seen by the Viking orbiter is included below:
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Paul Tomaszewski
Paul Tomaszewski is a science & tech writer as well as a programmer and entrepreneur. He is the founder and editor-in-chief of CosmoBC. He has a degree in computer science from John Abbott College, a bachelor's degree in technology from the Memorial University of Newfoundland, and completed some business and economics classes at Concordia University in Montreal. In his spare time he is an amateur astronomer and enjoys reading or watching science-fiction. You can follow him on LinkedIn and Twitter.
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