Mars 1M was a series of two uncrewed spacecraft which were used in the first Soviet missions to explore Mars.[1] They were the earliest missions of the Mars program. The Western media dubbed the spacecraft "Marsnik", a portmanteau of Mars and Sputnik.
- ^ Wade, Mark. "Mars 1M". Encyclopedia Astronautica. Archived from the original on August 21, 2002. Retrieved 26 August 2010.