Mars 4

E999552 UNEXPLORED

Mars 4 was a Soviet Mars orbiter mission launched in 1973 as part of the Mars program, intended to study the Martian atmosphere and surface.

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All labels observed (1)

Label Occurrences
Mars 4 canonical 2

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Mars 3 followedBy Mars 4
Mars 3 relatedMission Mars 4