IE 11 is not supported. For an optimal experience visit our site on another browser.

Mariner 9: Revealing Mars (Part 2)

02:44

On May 30, 1971, NASA launched the Mariner 9 spacecraft to Mars with the mission of orbiting the Red Planet to make the first detailed mapping of its surface. On the 50th anniversary of the mission, Nightly Films looks at how Mariner 9 paved the way for further exploration of Mars.