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... its way to its December 1974 encounter with Jupiter. Mariner 10 , headed toward Mercury via Venus, was more than 14.5 million km (9 million mi) from the earth; it ... cooperation, NASA launched Anik 2 domes-tic communications satellite for Telesat Canada and Intelsat-IV F-7 for Communications Satellite Corp. on behalf of the International Telecommunications Satellite Organization. ...

... would divide between applications and scientific missions almost equally. Scheduled in Jan. would be INTELSAT IV-A F-3 for ComSatCorp , FltSatCom-A for the Navy, and its own IUE; the ... for ESA . May would see 4 launches: GOES-C, and NASA's Tiros-N , Pioneer Venus-A, and SEASAT-A . Scheduled in June would be GEOS-B for ESA and a ... its own ISEE-C. August would see launch of NASA's Nimbus-G and Pioneer Venus-B. In Sept. NASA would launch NOAA A; a navsat for the Navy; and comsat ...

... lunar surface detail, and the first successful flight to Venus. We may soon achieve the first successful flight to Mars, if MARINER IV completes its mission. In launch vehicle development, this program ... the energy distribution and emission intensities of stars. ''(NASA Release 65-49)'' NASA's MARINER IV , en route to Mars, passed the 20-million-mile mark in its distance from earth ... are still good that we will get revealing pictures of Mars next July, when MARINER IV will be 134 million miles from Earth, so far it will take 12½ seconds to ...

... a nearby world. "Whatever the results of the picture-taking experiment, the accomplishments of MARINER IV are already historic, Launched last Nov, 28, it has traversed a preassigned course for more ... feats. "For comparison we may note that MARINER II -justly famed for its flight past Venus in 1962-needed to fly only three and a half months and 180 million miles ... a record signalling to earth from a distance of 53.9 million miles away, MARINER IV has recently been transmitting from the neighborhood of Mars, now over 130,000,000 miles ...

... 150 , launched from White Sands Missile Range WSMR , carried Johns Hopkins Univ. experiment to study Venus UV. Aerobee 170 , launched from White Sands Missile Range WSMR , carried Johns Hopkins Univ. experiment ... aircraft was designed to withstand. ''(W Post, 1/30/71, A4)'' January 25-26: Intelsat-IV F-2 comsat was launched by NASA for ComSatCorp on behalf of INTELSAT. Satellite, ...

... MARINER IV lost its lock on Canopus. "Current analysis supports the theory that a dust particle reflecting ... from an unmanned balloon on Oct. 27 that might indicate life on Venus. Experiments showed that the clouds covering Venus were composed of water in the form of ice particles and that ... and on the MARINER II space probe, which had passed within 21,000 mi. of Venus in December 1962, indicated the surface temperature was 800° F. However, since interpretation of radio ...

... and III and SURVEYOR I resulted in selection of eight candidate sites. Lunar Orbiter IV provided basis for extending cartographic grid system for front-face mapping around to ... 's atmosphere, ionosphere, temperatures, and perhaps even surface qualities. As MARINER V approached Venus, its scientific instruments would begin measuring planet's magnetic field, charged particles, gases ...

... of experiments included : solar plasma probe and magnetometer showed existence of solar wind/Venus interaction; trapped radiation found no energetic particles or radiation belts, and found magnetic ... to measure incident solar uv irradiance in support of Orbiting Geophysical Observatory OGO IV's mission. Excellent data were obtained. Rocket and payload performed satisfactorily. ''(NASA Rpt ...

... continued its flight millions of kilometers from the earth toward a 5 Feb. flyby of Venus and 29 March flyby of Mercury. Despite the loss of the prime power chain, causing ... on. Scientists had feared that below-freezing temperature might pre-vent camera operation during the Venus encounter. On 21 Jan., instruments for Comet Kohoutek and solar wind experiments were turned on ... at 30 238 km per hr. ''( JPL Mariner Venus/ Mercury 1973 Bull Nos 14, 15; NASA PAO press briefing transcript, 31 Jan 74; IV Post, 10 ,Tan 74, A5)'' January 1974 January ...

... spacecraft lifted off at 3:31 a.m. EDT on a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex-37 at Cape Canaveral Air Force Station. At 5 ... of extreme science.” Over the next two months, Parker Solar Probe will fly towards Venus, performing its first Venus gravity assist in early October – a maneuver a bit like a handbrake turn ... ever gone before. Throughout its seven-year mission, Parker Solar Probe will make six more Venus flybys and 24 total passes by the Sun, journeying steadily closer to the Sun until ...

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