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  • 1
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    In:  Other Sources
    Publication Date: 2011-08-16
    Description: Review of some of the findings concerning solar structure, energy production, and heat transport obtained with the aid of the manned Skylab space station observatory launched on May 14, 1973. Among the topics discussed are the observation of thermonuclear fusion processes which cannot be simulated on earth, the observation of short-wave solar radiation not visible to observers on earth, and the investigation of energy-transport processes occurring in the photosphere, chromosphere, and corona. An apparent paradox is noted in that the cooler chromosphere is heating the hotter corona, seemingly in defiance of the second law of thermodynamics, thus suggesting that a nonthermal mechanism underlies the energy transport. Understanding of this nonthermal mechanism is regarded as an indispensable prerequisite for future development of plasma systems for terrestrial applications.
    Keywords: SPACE SCIENCES
    Type: VDI-Z; 115; 17, D; Dec. 197
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  • 2
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    In:  Other Sources
    Publication Date: 2011-08-17
    Description: Manned spaceflight is considered within the framework of two broad categories: human exploitation of space for economic or scientific gain, and human habitation of space as a place where man may live, grow, and actualize himself. With the advent of the Space Shuttle, exploitation of space will take the form of new product development. This will continue during the 1990s as the new products are manufactured on a scale large enough to be profitable. The turn of the century should see major industries in space, and large space habitats. Thus, the question of mankind's existential needs arises. In addition to basic physical needs, the spiritual and cultural requirements of human beings must be considered. The impact of man's presence in space upon human culture in general is discussed with reference to international cooperation, public interest in space programs, scientific advancement, the basic urge to explore, and the density of mankind as a whole; which will become free of external constraints as we step into the cosmos.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: Spaceflight; 20; Feb. 197
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  • 3
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    Publication Date: 2011-08-16
    Description: Initial difficulties connected with the damage suffered by the space station during the launching operation and approaches for overcoming these difficulties are discussed along with the results obtained by the astronauts in their investigations. Attention is given to biomedical results, new solar discoveries, observations of the earth, materials research, and the new products obtained as a result of space processing.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: VDI-Z; 116; 16, N; Nov. 197
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  • 4
    Publication Date: 2011-08-16
    Description: NASA planning aspects of potential future manned space flight missions are examined and the necessity of long-range planning is pointed out. A listing of desirable future activities is considered, taking into account the permanent occupancy of near-earth orbit space, the permanent occupancy of earth-moon space, the full self-sufficiency of man in geolunar space, and the permanent occupancy of heliocentric space. The technological requirements for the considered activities are discussed, giving attention to transportation, habitation, engineering technology, life sciences, operations technology, and advanced management concepts. A description of future program phasing and advanced studies requirements is also given.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: British Interplanetary Society; vol. 29
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  • 5
    Publication Date: 2019-06-27
    Description: Advanced launch vehicle computer program for flyback and recovery trajectories
    Keywords: SPACE VEHICLES
    Type: NASA-CR-98369 , TR-793-8-302 , TR-374
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  • 6
    Publication Date: 2019-06-27
    Description: Legendre polynomials for gravitational field and orbit perturbation
    Keywords: GEOPHYSICS
    Type: NASA-TN-D-5163
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  • 7
    Publication Date: 2019-06-27
    Description: Computer program for mission analysis of horizontal takeoff vehicle three dimensional trajectories
    Keywords: SPACE SCIENCES
    Type: NASA-CR-98372 , TR-793-8-304 , TR-359
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  • 8
    Publication Date: 2019-06-27
    Description: Survey and comparative analysis of current geophysical models
    Keywords: GEOPHYSICS
    Type: NASA-TM-X-53677
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  • 9
    Publication Date: 2019-08-13
    Description: The preflight mission plan of the Apollo-Soyuz project is summarized, and the scientific experiments planned for the flight are described. Emphasis is on coupling procedures and docking modules. Experiments discussed comprise astronomical studies, geophysical studies, bioscientific studies, and application-oriented studies. The unique gravity-free space environment will provide favorable conditions for uniform materials construction. In addition, biological electrophoresis investigations in a perturbation-free medium will have substantial scientific contributions to make.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: VDI-Z; 117; 13-14; July 197
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  • 10
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    Publication Date: 2019-08-13
    Description: The absence of gravity in space creates conditions favorable for the manufacture of completely uniform materials. In the space environment, molecular forces such as adhesion, cohesion, and capillary action take the place of gravity, and such phenomena as fluid mechanics and heat transfer come into prominence. Several experiments on materials production in orbit are reported.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: VDI-Z; 117; 7, Ap; Apr. 197
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