World History Archive July 2013
EN_01089747_5681
![World History Archive July 2013](img/medium/arch12/dvd0578/29/EN_01089747_5681.jpg)
Editorial Use Only
This 4 kilometer diameter feature near the edge of the South polar residual cap was recognized in Mariner 9 and Viking Orbiter images taken in the 1970s, but its origin could not be inferred.
2013-07-11
World History Archive/East News
Image Asset Management
WHA_1639TH
3,72MB
41cm x 31cm przy 300dpi
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