5h 42min, jul 4, 1977 y - Mars Pathfinder/Sojourner Lands on Mars
Description:
 Mars Pathfinder/Sojourner lands on  July 04, 1997
It is equipped with Rover imaging cameras and an Alpha/Proton/X-ray Spectrometer (APXS). Its mission was to take pictures and take different types of measurements. It was designed with budget and low-cost in mind, it was the first vehicle to be used on any planet besides Earth and was the foundation for the Mars rover used now. 
Added to timeline:
Date:
5h 42min, jul 4, 1977 y
Now
 ~ 48 years ago 
Images:
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