🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийفارسی한국어中文EntityQ1067650· pop 29· linked from 185 articlesMars 4space probeWikidata factsImageMars 4-5.jpgvia Wikidata · CC0Available in 28 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoArmenianBahasa IndonesiaBasqueBelarusianBulgarianConnectionsMars programEntityMars Exploration ProgramEntityCategories1973 in spaceflight1973 in the Soviet Union4MVDerelict satellites in heliocentric orbitMars flybysMars programNon Earth orbiting satellites of the Soviet UnionSoviet missions to MarsSpacecraft launched in 1973