3h 27min, aug 9, 1973 y - Mars 7
Description:
The Mars 7 lander separated too early, causing it to miss the planet by 1,300 kilometers (800 miles).
https://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1973-053A
Added to timeline:
mars timeline
the videos are in the parts of Mars Exploration Rover Spirit...
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