2h 1min, jun 14, 1967 y - Mariner 5 Launch
Description:
Mariner 5 was a spacecraft of the Mariner program that carried a complement of experiments to probe Venus' atmosphere by radio occultation, measure the hydrogen Lyman-alpha spectrum, and sample the solar particles and magnetic field fluctuations above the planet.
Added to timeline:
Date:
2h 1min, jun 14, 1967 y
Now
~ 58 years ago