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Mariner 4 images with Viking Orbiter comparisons
Posted 2012/12/09 | 0 comments
Mariner 4 didn't only see cratered terrain, but the images lacked the clarity needed to see Mars' more Earth-like features. This is Mariner 4 image #3. Click through to see many more such comparisons.
More pictures processed by Piotr Masek »
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