Sept. 3, 1976: Viking 2 Lands on Mars

​This rocky panoramic scene is the second picture of the Martian surface that was taken by Viking Lander 2 shortly after touchdown on Sept. 3, 1976 at 3:58 p.m. PDT (Earth received time). via NASA http://www.nasa.gov/image-feature/sept-3-1976-viking-2-lands-on-mars