The spacecraft that has provided the MOST detailed understanding of the Martian surface to date is

Question

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Mars Global Surveyor, launched in 1996, has provided the most comprehensive and detailed mapping of the Martian surface, surpassing the contributions of earlier missions like Viking and Mars Pathfinder. Its instruments have helped in understanding Mars' topography, climate, and geological history in unprecedented detail. Magellan, on the other hand, was focused on Venus, not Mars.

The Spacecraft That Has Provided the MOST Detailed Understanding of the Martian