Mariner 10
Date: 22 November 2011
Satellite: Mariner 10
Copyright: NASA
Artists' impression of the Mariner 10 mission. The first mission to perform a gravity assist, it used a flyby of the planet Venus in order to decrease its perihelion. This would allow the spacecraft to meet Mercury on three occasions in 1974 and 1975.
Last Update: 1 September 2019
