The Viking Mars mission: One of the first successful landings on Mars was performed by two spacecraft, Viking 1 and Viking 2. The launch of the mission was on 20th of August 1975. Each of them consisted a lander and an orbiter. Their main mission was to obtain high resolution pictures of the Martian surface and search for evidence of life, because all the previous missions delivered only low definition images, ended in the ocean after launching or got canceled because of a dust storm, which enveloped the planet for a long period of time. The first month after entering the Martian atmosphere was spent by searching the perfect landing spots. After the two spacecraft detached from the orbiter, they were programmed to land on different parts of the planet, distant as possible form…show more content… Luckily, after what felt for the scientist for an eternity, the landers recovered their connection with Earth and everyone started cheering. The Viking Landers transmitted images of the surface, took surface samples and analyzed them for composition and signs of life, studied atmospheric composition and meteorology, and deployed seismometers. The Viking mission was planned to continue for 90 days after landing. Each orbiter and lander operated far beyond its design lifetime. The Viking 2 Lander ended communications almost five years later on April 11, 1980, and the Viking 1 Lander heroically survived until November 13, 1982, after transmitting over 1400 images of the two sites. The images we received entirely changed NASA’s perception of the Red planet. Volcanoes, lava plains, immense canyons, cratered areas, and evidence of surface water are apparent in the Orbiter