ocr: - The Viking I mission on Mars VIKING 1AND2 LANDER EQUPEMENTL The mission of the Viking 1 lander lasted 45 sols. (A sol is aMartian day, equal to 24 hours and 37 minutes.) July 20, 1976 was Sol 0. Twenty-five seconds after landing, camera number 2, located in leg number 2, went into operation and photographed the. Martian surface around leg number 3. Ihen five minutes and 32 seconds after landing, this camera obtained a panoramic image sweeping 300 degrees along a horizontal arc with a vertical angle of 60 degrees. OnJuly 21 (Sol 1), two ameras on the lander are in operation. The arm designed ...
