View Full Version : Mariner 10: Best Venus Image and 1st Ever Planetary Gravity Assist 40 Years Ago Tod

2014-Feb-06, 03:50 AM
Exactly 40 Years ago today on Feb. 5, 1974, Mariner 10, accomplished a history making and groundbreaking feat when the NASA science probe became the first spacecraft ever to test out and execute the technique known as a planetary gravity assisted flyby used to alter its speed and trajectory. Mariner 10 flew by Venus 40 […]

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