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... program during which the guests in four groups rotated among exhibitions and lectures on the Viking spacecraft Viking spacecraft, the space flight operations and spacecraft assembly facilities, and future planetary missions. Speakers included Dr. Bruce Murray, director of JPL , and A. Thomas Young, deputy Viking spacecraft Viking project manager, as well as John Casani, manager of the Mariner Jupiter-Saturn project. On ...

... station, which Av Wk referred to as "military." (Av Wk, 25 Oct 76, 23) Viking spacecraft 2 Viking 2 's lander dug a soil sample from beneath a rock on Mars and ... bodies which would put the sun between Mars and the earth preventing communication with the Viking spacecraft Viking landers and orbiters. Conjunction would begin about 10 Nov. and continue through early Dec ...

... and Sept. 9, 1975, successful, according to the post-landing mission operations report. All Viking spacecraft Viking instruments except the seismometer on the first lander (which failed to uncage itself) operated successfully ...

... Satellite Digest, July-Aug 77, 298) NASA announced resumption of communication with the four Viking spacecraft Viking -mission vehicles-two landers and two orbiters-at the end of the "conjunction" period during ... of Mars, behind the sun with relation to the earth since Nov. 1976. The Viking spacecraft Viking mission extended into the post-conjunction period would use the functioning spacecraft to obtain seasonal ...

A short-circuit in the power supply of Viking spacecraft 1 Viking 1 's gaschromatograph mass spectrometer (GSMS) had forced controllers at JPL to turn off the instrument Mar. 12, NASA reported. JPL received confirmation of the command from the Viking spacecraft Viking system Mar. 14. NASA had shut down the GCMS, which had analyzed the composition of ...

... Phobos on Sept. 20, 24, and 28 to pinpoint the exact location of the Viking spacecraft 1 Viking 1 lander on the planet's surface. JPL explained that the spacecraft had landed ... the lander's position. Duxbury was one of 20 chosen to participate in the Viking spacecraft Viking guest investigator program set up by NASA to offer experimenter opportunities beyond those originally planned ...

... from 1969 to 1973, leader of the Viking spacecraft Viking project's lander imaging science team, and chairman of several NASA committees planning post Viking spacecraft Viking exploration of Mars. A mountain climber, he ...

NASA reported that the Viking spacecraft 2 Viking 2 lander cameras had photographed a new layer of frost on the Utopia Planitia site, ... , latest observations of Mars showed the atmosphere clearer than it had been since the Viking spacecraft Viking s arrived in 1976, so that the frost could not be explained as before. (NASA ...

... SPACE FLIGHT CENTER MSFC Release 83-24) After months of unsuccessful effort to communicate with Viking spacecraft Viking lander 1 (the Mutch Memorial Station on the surface of Mars), engineers at JPL ... the Mutch Memorial Station to honor Dr. Thomas A. Mutch, former leader of the Viking spacecraft Viking imaging team, who disappeared in September 1980 during a climbing trip in the Himalayas. (NASA ...

NASA reported on scientific data of the Viking spacecraft Viking Lander Monitor Mission (VLMM) in the areas of meteorology, radio science, and imaging. The Viking spacecraft Viking program had explored Mars, using two instrumented ...

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