Mariner 4 images with Viking Orbiter comparisons
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pretty pictures,
amateur image processing,
Mars,
NASA Mars missions before 1996
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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.
NASA / JPL / Piotr Masek
Here are the rest of Piotr's comparisons.
NASA / JPL / Piotr Masek
Mariner 4 image #5 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #7 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #8 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #9 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #10 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #11 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #12 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #13 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #14 compared with Viking
NASA / JPL / Piotr Masek
Mariner 4 image #15 compared with Viking

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Original image data dated on or about July 14, 1965
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