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... fly by Venus to obtain scientific data which would complement and extend data obtained by Mariner II pertaining to the and nature of Venus and its environment. Spacecraft's secondary mission was ... Venus probe, Mariner I , was destroyed during launch July 22, 1962; second, Mariner II , was successfully launched Aug. 27, 1962, and flew within 21,600 mi of Venus Dec. 14, 1962. Mariner III , a ...

... MARINER II fly-by of planet Venus, providing data that clouds surrounding Venus are cold and dense and that Venus has surface temperature of 800°F. After pass­ing the planet, MARINER II continued in perpetual solar orbit. Since launch Aug. 27, 1962, MARINER II has traveled 754 million mi. in 474 days. It is currently ahead of earth at straight line distance of 76,172,000 mi. Analysis of MARINER II tracking data provided ...

... ,000 times as many dust particles near earth as in interplanetary space. Other observations from MARINER II included in the report, which was published in Science: solar plasma experiment showed constant presence ... , except perhaps for occasional, transient lulls. MARINER II temperatures continued rising, Jet Propulsion Laboratory JPL reported, but all systems aboard the Venus probe were functioning normally. MARINER II temperatures, planned for maximum 140° F ...

... 1962 with instruments aboard the spacecraft MARINER II ," including "experimental evidence that hydromagnetic waves do exist in interplanetary space." Discussing properties of solar wind, Coleman said MARINER II 's measurements had indicated average temperature ... feet, near the earth's magnetic poles, gave answers directly comparable to those found by Mariners II and IV, it became less important to depend on spacecraft for our data. This was ...

... of 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 ... 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 to reach its objective. And while MARINER II sets a record signalling to earth from a distance of 53.9 million miles away, MARINER IV has recently been transmitting from the neighborhood ...

... radio signals within a few days. After 109-day flight covering 180,200,000 mi., MARINER II would come within 10,000 mi. of Venus on fly-by mission. Instrumentation aboard the ... ,000.) Sir Bernard Lovell . Director of England's Jodrell Bank Experimental Station which was tracking MARINER II , reportedly said that the Venus probe appeared destined to become the world's most successful ...

... to command the spacecraft to reacquire Canopus soon. JEt Propulsion Laboratory JPL , manager of the Mariner program for NASA, reported that a solar plasma probe experiment, which had functioned perfectly for ... water vapor would be a propitious environment for life. Radiotelescopes on earth and on the MARINER II space probe, which had passed within 21,000 mi. of Venus in December 1962, indicated ...

NASA announced MARINER II would miss Venus by 20,900 mi. instead of the 9,000 mi. previously expected, ... midcourse correction maneuver on Sept. 4 increasing MARINER II 's velocity by 47 mph instead of the intended 45 mph. NASA scientists said telemetry data from MARINER II indicated that (1) solar particle radiation ...

... MARINER II Venus probe established new communications record, transmitting "excellent quality" data from more than 22.5 ... scientific data at 17.7 million mi.) NASA said MARINER II signals were relaying good data on the four scientific experiments on board. MARINER II was expected to pass within about 21,000 mi ...

... . (7,364,400 mi.) farther than last U.S. radio contact with MARINER II Venus probe, according to Tass. ( MARINER II 'S last contact was at 54.3 million mi.) ''(Pravda, 3/17/63 ... . Weiss, NASA Director of Quality Assurance and Re-liability, said total cost of the two Mariner shots, the second of which brought U.S. several firsts in knowledge of planet Venus ...

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