Mariner 10 Venus Encounter

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Science  29 Mar 1974:
Vol. 183, Issue 4131, pp. 1289-1291
DOI: 10.1126/science.183.4131.1289


The Mariner 10 spacecraft encountered Venus at 1701 G.M.T. on 5 February 1974. The preplanned encounter science sequence was executed satisfactorily, accomplishing all objectives despite a number of spacecraft problems that had occurred in the early phases of the flight. Seven experiments were conducted, including observations of the solar wind interaction region, extreme ultraviolet and infrared emissions, radio occultation, and imaging.