18h 55min, may 28, 1971 y - Mars 3
Somewhat successful Mars orbiter and very briefly successful descent craft (USSR)
Description:
The identical Mars 2 and Mars 3 spacecraft each released descent craft 4.5 hours prior to their arrivals at Mars. But the landers had the misfortune of arriving at Mars during one of the greatest dust storms in recorded history.
https://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1971-049F
Added to timeline:
mars timeline
the videos are in the parts of Mars Exploration Rover Spirit...
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