Mariner 4              

Mariner 4 was the first spacecraft to fly past Mars and return data, shattering what was left of Lowell's Mars, and instead showing a cratered world. 

While in hindsight one can see signs of other features, initially, these images swung the pendulum too far the other way, making later discoveries about the dynamic Martian past very surprising.

This view, constructed from the first two frames with a bit of gap-fill, was colored using color data from the overlap of the images, and cloned color data elsewhere.  

Below are reconstructions of 20 of the 22 frames, using several processed version, scans of unprocessed versions (which look nearly blank), and fragments of digital data. 

Because all the pictures after 19 are beyond the terminator, I didn't see a point in including more than one.  In some of the later pictures, frost can be seen on the crater rims.








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Use of these images requires permission of the author.         

Ted Stryk 2007