EntityQ247305· pop 39· linked from 223 articlesMars 2Sign in to saveSoviet Mars probeConnectionsMars programEntityMars Exploration ProgramEntitySpiritEntityOpportunityEntityApollo 15EntityMars PathfinderEntityMarsEntitySoviet UnionConceptgravityEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityWikisourceEntityatmosphereEntitystormEntitymagnetic fieldEntityWayback MachineEntityspacecraftEntitydustEntitypascalEntitysolar windEntityCategories1971 in the Soviet Union1971 on Mars4MVCommons link is locally definedCoordinates not on WikidataDerelict satellites orbiting MarsGeography of MarsLunae Palus quadrangleMars programMars roversNon Earth orbiting satellites of the Soviet UnionSoviet missions to MarsSpacecraft launched in 1971