Mariner 10
February 5, 1974

 

Artist concept of Mariner 10 and Venus

Artist's concept of Mariner 10 and Venus

 

Mariner 10 continues on its journey to be the first craft to encounter two planets at close range. At its first destination Venus, the spacecraft produces the first clear pictures of the Venusian chevron clouds and performs other atmospheric studies.

Then, using the gravity of Venus to bend its flight path, Mariner sets a course for Mercury.

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