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There are a total of 1158 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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The Clementine mission: Initial results from lunar mapping
Author(s): Spudis, P. D.; Shoemaker, E.; Acton, C.; Burratti, B.; Duxbury, T.; Baker, D.; Smith, D.; Blamont, J.; Davies, M.; Eliason, E., et al.
Abstract: Clementine was a mission designed to test the space worthiness of a variety of advanced sensors for use on military surveillance satellites while, at the same time, gathering useful scientific information on the composition ...
NASA Center: Goddard Space Flight Center, Jet Propulsion Laboratory
Publication Year: 1994
Added to NTRS: 2005-08-25
Accession Number: 95N33454; Document ID: 19950027033; Report Number: LPI-847
Impact of comet Shoemaker-Levy 9 on Jupiter
Author(s): Takata, Toshiko; Ahrens, Thomas J.; Okeefe, John D.; Orton, Glenn S.
Abstract: We have employed three-dimensional numerical simulations of the impact of Comet Shoemaker-Levy 9 (SL9) on Jupiter and the resulting vapor plume expansion using the smoothed particle hydrodynamics (SPH) method. An icy body ...
NASA Center: Jet Propulsion Laboratory
Publication Year: 1994
Added to NTRS: 2005-08-25
Accession Number: 96N16986; Document ID: 19960009820; Report Number: NAS 1.26:200015, NASA-CR-200015, NIPS-96-07155
Determination of hydrocarbon abundances and the strength of eddy mixing in the stratosphere of Neptune: Analysis of UVS solar occultation lightcurves
Author(s): Bishop, James
Abstract: Work on completing our analysis of the Voyager UVS solar occultation data acquired during Neptune encounter is essentially complete, as testified by the attached poster materials. The photochemical modeling addresses the ...
NASA Center: NASA (non Center Specific)
Publication Year: 1995
Added to NTRS: 2005-08-25
Accession Number: 96N13854; Document ID: 19960003844; Report Number: NAS 1.26:199692, NASA-CR-199692, NIPS-95-05894
PHASE STABILITY OF INJECTION-LOCKED BEAM OF SEMICONDUCTOR LASERS
Author(s): KWON, JIN HYUK; KIM, DO HOON; SCHUSTER, GREGORY; LEE, JA H.
Abstract: AN EXPERIMENT ON THE PHASE STABILITY OF AN INJECTION LOCKED BEAM WAS DONE BY USING ALGAAS SEMICONDUCTOR LASERS. THE COHERENCE OF TWO BEAMS FROM MASTER AND SLAVE LASERS WAS MEASURED BY INTERFERENCE BETWEEN THE BEAMS IN THE ...
NASA Center: Langley Research Center
Publication Year: 1992
Added to NTRS: 2005-03-29
Accession Number: 92N28862; Document ID: 19920019619; Report Number: L-16967, NAS 1.77:10001, NASA-TT-10001
PROBING THE PRIMORDIAL CONSTITUENTS OF OUR SOLAR SYSTEM
Abstract: DR. FRANCE CORDOVA, NASA'S CHIEF SCIENTIST, CHAIRED THIS, ANOTHER SEMINAR IN THE ADMINISTRATOR'S SEMINAR SERIES. SHE INTRODUCED NASA ADMINISTRATOR, DANIEL S. GOLDIN, WHO GREETED THE ATTENDEES, AND NOTED THAT, FROM THE DAY ...
NASA Center: NASA (non Center Specific)
Publication Year: 1995
Added to NTRS: 2005-03-29
Document ID: 20040200962
SPACELAB LIFE SCIENCES RESEARCH PANEL
Author(s): SULZMAN, FRANK; YOUNG, LAURENCE R.; SEDDON, RHEA; ROSS, MURIEL; BALDWIN, KENNETH; FREY, MARY ANNE; HUGHES, ROD
Abstract: THIS DOCUMENT DESCRIBES SOME OF THE LIFE SCIENCES RESEARCH THAT WAS CONDUCTED ON SPACELAB MISSIONS. DR. LARRY YOUNG, DIRECTOR OF THE NATIONAL SPACE BIOMEDICAL RESEARCH INSTITUTE, PROVIDES AN OVERVIEW OF THE LIFE SCIENCES ...
NASA Center: Ames Research Center
Publication Year: 2000
Added to NTRS: 2005-03-29
Document ID: 20010018879
TECHNOLOGICAL REQUIREMENTS FOR TERRAFORMING MARS
Author(s): ZUBRIN, ROBERT M.; MCKAY, CHRISTOPHER P.
Abstract: A MATHEMATICAL MODEL OF THE MARTIAN CO2 ENVIRONMENT IS PRESENTLY USED TO GENERATE AN ANALYSIS EXPLORING AND CLARIFYING THE PROSPECTS FOR THE USE OF POSITIVE FEEDBACKS TO ACCELERATE PLANETARY ENGINEERING EFFORTS. THE MODEL ...
NASA Center: Ames Research Center
Publication Year: 1993
Added to NTRS: 2005-03-29
Accession Number: 93A49844; Document ID: 19930065847; Report Number: AIAA PAPER 93-2005
The History of Solid-Propellant Rocketry: What We Do and Do Not Know
Author(s): Hunley, J. D.
Abstract: Contributions to the evolution of solid-propellant rocketry have come from a variety of sources. World War II research on large solids enabled one company to capitalize on work in the area of castable double-base ...
NASA Center: Dryden Flight Research Center
Publication Year: 1999
Added to NTRS: 2005-02-15
Document ID: 19990047654; Report Number: AIAA Paper 99-2925, H-2330
A Rocket Powered Single-Stage-to-Orbit Launch Vehicle With U.S. and Soviet Engineers
Author(s): MacConochie, Ian O.; Stnaley, Douglas O.
Abstract: A single-stage-to-orbit launch vehicle is used to assess the applicability of Soviet Energia high-pressure-hydrocarbon engine to advanced U.S. manned space transportation systems. Two of the Soviet engines are used with ...
NASA Center: Langley Research Center
Publication Year: 1991
Added to NTRS: 2004-11-24
Document ID: 20040161455; Report Number: SAWE Paper-1996
Martian Surface Boundary Layer Characterization: Enabling Environmental Data for Science, Engineering and Human Exploration
Author(s): England, C.
Abstract: For human or large robotic exploration of Mars, engineering devices such as power sources will be utilized that interact closely with the Martian environment. Heat sources for power production, for example, will use the low ...
NASA Center: Jet Propulsion Laboratory
Publication Year: 2000
Added to NTRS: 2004-11-03
Document ID: 20010023100
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