Spacecraft, Mariner 10, Flight Spare
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Griffin Exploring the Planets Gallery"}], "identifier": [{"label": "Inventory Number", "content": "A19830006000"}], "notes": [{"label": "Summary", "content": "Mariner 10 was the seventh successful launch in the Mariner series and the first spacecraft to use the gravitational pull of one planet (Venus) to reach another (Mercury). It was also the first probe to visit two planets. Launched on November 3, 1973, it reached Venus on February 5, 1974. Using a gravity assist from this planet, Mariner 10 first crossed the orbit of Mercury on March 29, 1974 and did so a second time on September 21, 1974. A third and last Mercury encounter took place on March 16, 1975. It measured the environments of both Venus and Mercury. It then undertook experiments in the interplanetary medium. Mariner 10 showed that Venus had at best a weak magnetic field, and the ionosphere interacted with the solar wind to form a bow shock. At Mercury, it confirmed that Mercury had no atmosphere and a cratered, dormant Moon-like surface."}, {"label": "Summary", "content": "This flight spare was transferred from NASA, Jet Propulsion Laboratory to the Museum in 1982."}, {"label": "Alternate Name", "content": "Mariner 10"}, {"label": "Key Accomplishment(s)", "content": "First Spacecraft to Use Gravity Assist"}, {"label": "Brief Description", "content": "Mariner 10 was the first spacecraft to use the gravitational pull of one planet to reach another and the first probe to visit two planets. Launched November 3, 1973, it reached Venus on February 5, 1974. Using gravity assist, it went on to fly by Mercury."}], "creditLine": [{"label": "Credit Line", "content": "Transferred from NASA, Jet Propulsion Laboratory"}], "name": [{"label": "Manufacturer", "content": "Boeing Aerospace Company"}], "place": [{"label": "Country of Origin", "content": "United States of America"}], "physicalDescription": [{"label": "Materials", "content": "Aluminum, mixed metals"}, {"label": "Dimensions", "content": "Overall: 6 ft. tall x 6 ft. wide x 6 ft. deep (182.88 x 182.88 x 182.88cm)"}, {"label": "Dimensions", "content": "Other (magnetometer boom): 20 ft. long (609.6cm)"}], "dataSource": [{"label": "Data Source", "content": "National Air and Space Museum"}], "objectRights": [{"label": "Restrictions & Rights", "content": "CC0"}], "objectType": [{"label": "Type", "content": "SPACECRAFT-Unmanned-Communications"}]}}, "url": "edanmdm:nasm_A19830006000", "hash": "1dcbb3a54fe345121020a8e4adcbb0b8233ce35a", "docSignature": "253ed2c0d705dd509e7cda01f63b55f6", "timestamp": 1666664365, "lastTimeUpdated": 1665736223, "title": "Spacecraft, Mariner 10, Flight Spare"}