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  • Chemistry  (27,165)
  • GEOPHYSICS  (5,928)
  • SPACE VEHICLES  (2,693)
  • INSTRUMENTATION AND PHOTOGRAPHY  (2,550)
  • Physics  (2,547)
  • BIOSCIENCES  (1,698)
  • Humans
  • 1970-1974  (42,581)
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  • 1
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    In:  CASI
    Publication Date: 2004-12-03
    Description: Radiography is discussed as a method for nondestructive evaluation of internal flaws of solids. Gamma ray and X-ray equipment are described along with radiographic film, radiograph interpretation, and neutron radiography.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Nondestructive Testing; p 63-99
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  • 2
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    In:  Other Sources
    Publication Date: 2011-12-21
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Life Sci. Publ., Vol. 2; 7 p
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  • 3
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    In:  Other Sources
    Publication Date: 2011-12-21
    Keywords: GEOPHYSICS
    Type: Life Sci. Publ., Vol. 2; 11 p
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  • 4
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    In:  Other Sources
    Publication Date: 2011-12-21
    Description: Geochemical and minerological analyses of Apollo 12 soil and rock samples
    Keywords: GEOPHYSICS
    Type: APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 189-216
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  • 5
    Publication Date: 2004-12-06
    Description: Photometric and polarimetric properties of Apollo 12 and Surveyor 3 landing sites
    Keywords: GEOPHYSICS
    Type: NASA. MANNED SPACECRAFT CENTER APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 157-161
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  • 6
    Publication Date: 2004-12-06
    Description: Apollo 12 cold cathode gage and lunar atmospheric pressure measurements
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. MANNED SPACECRAFT CENTER APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 93-97
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  • 7
    Publication Date: 2004-12-06
    Description: Soil mechanics of regolith around Apollo 12 landing site
    Keywords: GEOPHYSICS
    Type: NASA MANNED SPACECRAFT CENTER APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 161-182
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  • 8
    Publication Date: 2004-12-06
    Description: Apollo 12 multispectral photography and film processing techniques
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. MANNED SPACECRAFT CENTER APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 103-111
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  • 9
    Publication Date: 2004-12-06
    Description: Apollo 12 landing site geology and topography
    Keywords: GEOPHYSICS
    Type: NASA. MANNED SPACECRAFT CENTER APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 113-156
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  • 10
    Publication Date: 2004-12-06
    Description: Apollo 12 passive seismometer design and signal interpretation
    Keywords: GEOPHYSICS
    Type: APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 39-53
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  • 11
    Publication Date: 2004-12-06
    Description: Apollo 12 magnetometer data and selenomagnetic field determinations
    Keywords: GEOPHYSICS
    Type: APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 55-73
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  • 12
    Publication Date: 2004-12-01
    Description: Apollo 12 closeup stereophotographs of lunar dust, rocks, and soils
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. MANNED SPACECRAFT CENTER APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 183-188
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  • 13
    Publication Date: 2004-12-01
    Description: Engineering and scientific analysis of Surveyor 3 dust, TV camera, and structural components
    Keywords: GEOPHYSICS
    Type: APOLLO 12- PRELIM. SCI. REPT. 1 JUN. 1970; P 217-223
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  • 14
    Publication Date: 2005-11-30
    Description: Photographic observations of the solar corona by the Apollo 16 command module pilot while in lunar orbit are reported. These were designed to provide data on outer coronal forms and intensities to elongation angles of 25 deg. The results of Apollo 15 solar corona photography verified the procedures and provided the first photographs of identifiable coronal streamers curving at elongation angles of some 10 deg. By using the Apollo 15 data, exposure settings were optimized for Apollo 16, and the results show a significant improvement in photometric quality over the large range of brightness to be photographed. Ground observations of the inner solar corona (to approximately 2 solar radii from Sun center) indicate a general lack of coronal structure, and results of data reduction thus far show no streamer structure at large elongation angles.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Apollo 16 Prelim. Sci. Rept.; 2 p
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  • 15
    Publication Date: 2005-11-30
    Description: It is reported that the Apollo 16 command module astronomical photography was performed with the specific objective of capitalizing on the uniqueness of the double umbra as a vantage point to collect astronomical data that are obtainable only near our Moon. For this reason, these data will be compared directly to analogous photography performed from Earth orbit during Project Mercury and the Gemini Program as well as to the Apollo-duplicated photography taken from sites on the Earth surface. Comparison with Earth-based photography should yield direct information on the Earth airglow layer and on atmospheric scattering and extinction.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Apollo 16 Prelim. Sci. Rept.; 2 p
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  • 16
    Publication Date: 2005-11-30
    Description: Discussion is made of the Apollo 15 and 16 metric and panoramic cameras which provided photographs for accurate topographic portrayal of the lunar surface using photogrammetric methods. Nine stereoscopic models of Apollo 16 metric photographs and three models of panoramic photographs were evaluated photogrammetrically in support of the Apollo 16 geologic investigations. Four of the models were used to collect profile data for crater morphology studies; three models were used to collect evaluation data for the frequency distributions of lunar slopes; one model was used to prepare a map of the Apollo 16 traverse area; and one model was used to determine elevations of the Cayley Formation. The remaining three models were used to test photogrammetric techniques using oblique metric and panoramic camera photographs. Two preliminary contour maps were compiled and a high-oblique metric photograph was rectified.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Lyndon B. Johnson Space Center Apollo 16 Prelim. Sci. Rept.; 5 p
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  • 17
    Publication Date: 2005-11-30
    Description: The laser altimeter measures precise altitudes of the command and service module above the lunar surface and can function either with the metric (mapping) camera or independently. In the camera mode, the laser altimeter ranges at each exposure time, which varies between 20 and 28 sec (i.e., 30 to 43 km on the lunar surface). In the independent mode, the laser altimeter ranges every 20 sec. These altitude data and the spacecraft attitudes that are derived from simultaneous stellar photography are used to constrain the photogrammetric reduction of the lunar surface photographs when cartographic products are generated. In addition, the altimeter measurements alone provide broad-scale topographic relief around the entire circumference of the moon. These data are useful in investigating the selenodetic figure of the moon and may provide information regarding gravitational anomalies on the lunar far side.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Apollo 16 Prelim. Sci. Rept.; 5 p
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  • 18
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The physical correlations of hearing, i.e. the acoustic stimuli, are reported. The auditory system, consisting of external ear, middle ear, inner ear, organ of Corti, basilar membrane, hair cells, inner hair cells, outer hair cells, innervation of hair cells, and transducer mechanisms, is discussed. Both conductive and sensorineural hearing losses are also examined.
    Keywords: BIOSCIENCES
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 667-691
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  • 19
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    In:  CASI
    Publication Date: 2005-11-30
    Description: Oxygen toxicity is examined, including the effects of oxygen partial pressure variations on toxicity and oxygen effects on ozone and nitrogen dioxide toxicity. Toxicity of fuels and oxidizers, such as hydrazines, are reported. Carbon monoxide, spacecraft threshold limit values, emergency exposure limits, spacecraft contaminants, and water quality standards for space missions are briefly summarized.
    Keywords: BIOSCIENCES
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 455-487
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  • 20
    Publication Date: 2005-11-30
    Description: The important chemical reaction affecting the neutral composition of the upper stratosphere, mesosphere, and lower thermosphere is discussed. The role of atmospheric transport processes is emphasized and the problem of taking these into account is elucidated.
    Keywords: GEOPHYSICS
    Type: NASA, Washington Phys. of the Space Environment; p 147-155
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  • 21
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The time-dependent response of the upper atmosphere to transient heat sources is considered. The basic problem is that of heating a compressible, heat-conducting fluid, which is described in the one-dimensional case by an analytic solution. Comparisons with satellite drag data of such first-order solutions are shown to be useful in determining energy requirements and in determining some constraints on the spatial distribution of the heating. Recent OGO-6 mass spectrometer and interferometric temperature measurements show that atmospheric disturbances during geomagnetic storms are much more prominent in the auroral zones. These results suggest that joule dissipation of auroral currents are important contributors to orbital perturbations of satellites.
    Keywords: GEOPHYSICS
    Type: NASA, Washington Phys. of the Space Environment; p 3-23
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  • 22
    Publication Date: 2005-11-30
    Description: Research and development of composite material systems to show applicability of these materials to shuttle structures and to demonstrate availability through a hardware development program is reported. The various configurations studied and potential areas of composite structures use are described and an outline of ongoing composite programs, complementing the indicated feasible applications, including a typical cost study, is shown. The following composite systems are investigated: Boron filaments with epoxy, polyimide, or aluminum matrix, and graphite filaments with epoxy or polyimide matrix.
    Keywords: SPACE VEHICLES
    Type: NASA Space Shuttle Technol. Conf.; p 605-644
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  • 23
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The prediction of flight loads and their potential reduction, using various control logics for the space shuttle vehicles, is very complex. Some factors, not found on previous launch vehicles, that increase the complexity are large lifting surfaces, unsymmetrical structure, unsymmetrical aerodynamics, trajectory control system coupling, and large aeroelastic effects. Discussed are these load producing factors and load reducing techniques. Identification of potential technology areas is included.
    Keywords: SPACE VEHICLES
    Type: NASA Space Shuttle Technol. Conf.; p 175-203
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  • 24
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    In:  CASI
    Publication Date: 2005-11-30
    Description: Recommendations for improving the methodology of pogo suppression for the space shuttle include: Consideration of inter-pump location for accumulator or active device, inclusion of tank outflow effects in dynamic structural analysis, the use of simplified transfer functions in systems studies, three phase dynamic testing program for turbopump with development of dynamic flowmeters, and the use of a linearized mathematical model for engine physics studies.
    Keywords: SPACE VEHICLES
    Type: NASA, Washington NASA Space Shuttle Technol. Conf.; p 97-116
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  • 25
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The heating and movement of the upper atmosphere at ionospheric levels in response to electric currents are discussed. Joule dissipation, generation of winds, and pressure gradients are significant factors in the energetics of the ionospheric electric currents flowing during magnetic storms and also of the Sq current system.
    Keywords: GEOPHYSICS
    Type: NASA, Washington Phys. of the Space Environment; p 25-40
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  • 26
    Publication Date: 2005-11-30
    Description: The operation and external appearance of the surface sampling scoop are discussed. An attempt was made to measure the magnitude of the existing adhesion between the lunar soil and the various surfaces of the scoop.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, Washington Analysis of Surveyor 3 Mater. and Phot. Returned by Apollo 12; p 100-114
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  • 27
    Publication Date: 2005-11-30
    Description: The technology with respect to fracture control requirements of the shuttle is considered. The current state-of-the-art does permit an approach based on linear elastic fracture mechanics concepts. Development and implementation of a fracture control plan should recognize deficiencies and provide adequate resources for the extensive empirical test data which are required. With respect to the cost impact of such tests, recent experiences involving advanced aircraft systems have seen unit cost increases of from 200 to 500 percent.
    Keywords: SPACE VEHICLES
    Type: NASA Space Shuttle Technol. Conf.; p 727-770
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  • 28
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    In:  CASI
    Publication Date: 2005-11-30
    Description: Two docking device designs for Soyuz-type spacecraft are compared. The first was flight tested successfully; the second achieves rigid and exact joining of two spacecraft, while incorporating changes to allow for the intravehicular transfer of crew members. The main functions of the docking device are considered, with the means by which they are accomplished, and measures for increasing its reliability and flexibility in service are noted.
    Keywords: SPACE VEHICLES
    Type: 6th Aerospace Mech. Symp.; p 143-150
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  • 29
    Publication Date: 2005-11-30
    Description: A 36 in. aperture telescope is being developed for installation aboard a NASA-Lockheed C-141A aircraft. This airborne observatory will permit observation of infrared emission at altitudes above 45,000 ft above much of the infrared-absorbing atmospheric water vapor. The telescope will look through a movable open port in the aircraft fuselage. A porous spoiler, upstream from the open port, will attenuate pressure disturbances and permit operation at ambient temperatures and pressures without an obscuring window. The telescope's entire structure is supported by a 16 in. spherical air bearing, which effectively isolates it from angular aircraft motions. This air bearing support, with inertial stabilization and star tracking, will permit net line of sight stability of better than 2 arcsec rms.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: 6th Aerospace Mech. Symp.; p 81-88
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  • 30
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    In:  CASI
    Publication Date: 2005-11-30
    Description: Observing the development of upwelling on the northeast coast of Africa by measuring ocean surface emission with infrared radiometers on Nimbus satellites is reported. Using the temperature of the ocean as telemetered by the satellite, the biological potential of an area is estimated, and consequently the highest potential for fisheries.
    Keywords: GEOPHYSICS
    Type: Significant Accomplishments in Sci., 1970; p 14-17
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  • 31
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The feasibility of carrying microwave radiometers on Nimbus E and F missions for sea ice surveys was studied in the arctic using aircraft. It was found that passive microwave signatures of Arctic Sea ice relate specifically to the structure and type of ice. It is concluded that a new tool for conducting ice surveys from aircraft and satellites with remote sensors was discovered.
    Keywords: GEOPHYSICS
    Type: Significant Accomplishments in Sci., 1970; p 18-21
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  • 32
    Publication Date: 2005-11-30
    Description: Photographic observations of astronomical interest conducted during the Apollo 15 mission are discussed. Procedures used in photographing the solar corona are described together with calibration and reduction methods. In addition, selected preliminary results obtained from the photography are presented.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Its Apollo 15 Prelim. Sci. Rept.; 39 p
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  • 33
    Publication Date: 2005-11-30
    Description: The first photographs of the moon taken with earthshine illumination by the Apollo 15 crew were examined. Emphasis in the analysis was placed on a comparison of predicted exposures and obtained exposures. The results of the investigation indicate the following: (1) The predicted exposure of the maria areas and the obtained exposures were in reasonably close agreement. (2) The apparent-albedo values obtained for the floor of Aristarchus Crater are seven times greater than those for the maria.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Manned Spacecraft Center Apollo 15 Prelim. Sci. Rept.; 7 p
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  • 34
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The results of theoretical calculations for the reactions between electrons and negative hydrogen atoms are discussed for an electron colliding with a negative hydrogen ion and neutralizing the hydrogen ion by stripping the loosely bound electron from it, and the two free electrons moving away. A semi-quantum description of the process is presented in which the target is described in terms of quantum mechanics, and the projectile electron is described in a classical fashion.
    Keywords: GEOPHYSICS
    Type: Significant Accomplishments in Sci., 1970; p 58-62
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  • 35
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The identification of ground features in Nimbus photography by comparisons with geology, soils, and vegetation maps is discussed for the Wyoming-Colorado area. It is concluded that in a semiarid region, high topographic relief shows good coassociation with exposed geology and with vegetation and, to a lesser degree, with soils types. In lower, flatter basins, most tonal patterns are related to subtle variations in soil color and vegetation cover. It is thought that maps based on spectral parameters as the proper descriptor of surface features may be required.
    Keywords: GEOPHYSICS
    Type: Significant Accomplishments in Sci., 1970; p 2-7
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  • 36
    Publication Date: 2005-11-30
    Description: The course of European aerospace research regarding reentry problems is briefly reviewed for the period from 1966 up to the present. The considerable experience gained by Europe, and particularly Germany, is shown to have led to their involvement and participation in the U.S. space shuttle program. The areas of investigation and expected contributions by European cooperation in the shuttle program are outlined.
    Keywords: SPACE VEHICLES
    Type: NASA. Langley Res. Center Space Shuttle Aerothermodyn. Technol. Conf., vol. 3; p 969-995
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  • 37
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The procedures for determining the toxicity of products outgassed from spacecraft structures are discussed. The test equipment involved in the tests and the criteria for acceptability are described. The use of animals as the final step in determining toxicity of a spacecraft environment is explained.
    Keywords: BIOSCIENCES
    Type: Conf. on Mater. for Improved Fire Safety; p 207-210
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  • 38
    Publication Date: 2005-11-30
    Description: A brief description is given of the new astrometric camera and of the program on which it is being employed. This is the photography of the southern sky so that each star appears on at least four overlapping plates. Sets of star coordinates measured on each plate are combined with a limited set of provisional meridian places to give an accurate set of relative star positions which are independent of the meridian system together with a set of residuals for each plate-star. The technique is based on a simple geometrical model of image formation on photographic plates. Current investigations are concerned with the elimination of sources of systematic deviation from this model.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Univ. of South Fla. Conf. on Phot. Astrometric Technique; p 199-208
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  • 39
    Publication Date: 2005-11-30
    Description: The f1 Hewitt camera is a field flattened Schmidt system of 60cm aperture. The salient features of this equipment are briefly described. Details of the methods of plate measurement are then given. The plate reduction is carried out in two stages. The plate is first calibrated using the photogrammetric method. The formulae usually quoted have been extended to take account of the large distortion introduced by the field flattening lens. In the second stage, the satellite measurements are reduced to satellite positions corrected for refraction, aberration, and when necessary, phase.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Univ. of South Fla. Conf. on Photo. Astrometric Technique; p 141-154
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  • 40
    Publication Date: 2005-11-30
    Description: Antennas are described with gravitational radiation properties such as polarization, directivity, and scalar and tensor characteristics. These antenna devices are mechanically resonant systems in the shape of a hollow square with fundamental frequencies in the Hz range. An antenna characteristic is that the absorption cross section for quadrupole radiation at the normal frequency of vibration is the same as that of the fundamental if the damping factors are the same. The absorption cross section of quadrupole gravitational radiation is calculated for a class-1 detector of a cylindrical cross section and for a class-2 detector shaped like a hollow square.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: JPL Proc. of the Conf. on Exptl. Tests of Gravitation Theories; p 41-44
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  • 41
    Publication Date: 2005-11-30
    Description: Design and operation of the primate life support subsystem for the Biosatellite Program as used during the flight of Biosatellite 3 are discussed. Included are preflight changes necessitated by the primate's (a Macaca nemistrina monkey) influence on the initial equipment design.
    Keywords: SPACE VEHICLES
    Type: NASA. Goddard Space Flight Center 5th Aerospace Mech. Symp.; p 177-183
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  • 42
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    In:  CASI
    Publication Date: 2005-11-30
    Description: It is shown that aspheric deformations of the first and fourth elements of the four element Ross objective can be introduced to permit one to obtain improved color corrections for astrometric purposes. The usual monochromatic aberrations are as well corrected as for the standard Ross lens. In addition, one can eliminate or reduce additional aberrations, such as secondary spectrum, chromatic spherical aberration, chromatic coma and chromatic distortion. The resulting objectives are suitable for use as intermediate and long focus astrometric objectives covering large angle fields.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Univ. of South Fla. Conf. on Phot. Astrometric Technique; p 61-84
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  • 43
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    In:  CASI
    Publication Date: 2005-11-30
    Description: Coning motion can prevent photographic and TV cameras and other oriented spacecraft experiments from maintaining a steady scan, and it can introduce a ripple in the high-gain communication system. Nutation dampers are used to remove this type of spacecraft instability. The first nutation damper flown in a missile for the stabilization of the gyroscope consisted of a hollow ring that was partially filled with mercury, and the sloshing of the mercury dissipated the nutational energy. A similar mercury-ring damper was used in the Pioneer 1 lunar probe in 1958 and became the first nutation damper to be used in space. Since then many types of nutation dampers have been designed for spin-stabilized spacecraft ranging in size from small scientific satellites to large space stations.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Goddard Space Flight Center 5th Aerospace Mech. Symp.; p 73-81
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  • 44
    Publication Date: 2005-11-30
    Description: Theoretical and practical problems involved in the application of electromechanical damping for spacecraft docking-mechanism attenuation are discussed. Some drawbacks of hydraulic dampers used for the purpose are pointed out. The basic scheme of the attenuator with the electromechanical damper is given.
    Keywords: SPACE VEHICLES
    Type: NASA. Goddard Space Flight Center 5th Aerospace Mech. Symp.; p 43-57
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  • 45
    Publication Date: 2005-11-30
    Description: The dynamic behavior of the mercury nutation damper is investigated. Particular attention is paid to the eccentric annular mercury configuration, which is the final continuous ring phase that occurs in the operation of all mercury dampers. In this phase, damping is poorest, and the system is closely linear. During the investigation, the hydrodynamic problem is treated as three dimensional, and extensive use is made of a variational principle of least-viscous frictional power loss. A variational principle of least-constraint is also used to advantage. Formulas for calculating the behavior of the mercury damper are obtained. Some confirmatory experiments were performed with transparent ring channels on a laboratory gyroscope. Selected movie frames taken during wobble damping are shown along with the results of film measurements.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Goddard Space Flight Center 5th Aerospace Mech. Symp.; p 9-16
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  • 46
    Publication Date: 2005-11-30
    Description: A performance test of a night image intensification system for use as a visual aid by the crewmen in Gemini is reported. The equipment package consisted of (1) image intensification camera; (2) camera control unit; (3) viewing monitor; (4) recording monitor and photographic recorder; and (5) monitor electronics and equipment control unit. Representative photographs are predominantly of lights and clouds. Photographs of three different sections of coastline reveal a contrast between the images of land and ocean. These images range in quality from good to poor.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Manned Spacecraft Center The Gemini Program: Phys. Sci. Expt. Sum.; p 431-443
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  • 47
    Publication Date: 2005-11-30
    Description: Several tentative conclusions can be derived from the results of the synoptic terrain photography experiment, with particular reference to the results from the Gemini mission. The photographs are additional confirmation of the feasibility and value of orbital photographs for geology, geography, and oceanography. The photographs have proven to be of value in the study of the tectonic problems. Although vertical or near-vertical photography is superior to oblique photography, photographs from the Gemini 12 mission have proven that low oblique photographs, and even high oblique photographs, may be of value for certain situations. The oblique views of the Makran Range were useful substitutes for vertical photographs. Equivalent aerial coverage by vertical photographs would have necessitated a camera altitude of several hundred miles. The oblique views of the Sierra Madre Oriental have been used in the search for structures that are approximately normal to the horizon and are enhanced by the foreshortening because of the photograph.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: The Gemini Program: Phys. Sci. Expt. Sum.; p 337-381
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  • 48
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    Publication Date: 2005-11-30
    Description: Experiment M403 was flown on the Gemini 4 and 5 spacecraft in an effort to discover whether the spacecraft could accumulate sufficient excess electric charge to constitute a hazard for later Gemini-Agena rendezvous missions. An attempt was made to measure the electric field terminating on a small area of the spacecraft retrograde adapter section and to calculate the total spacecraft charge from this measured field value. The Gemini 5 instrument was inhibited from responding to electric fields that corresponded to a charge on the spacecraft. However, readings were obtained on the Gemini 5 mission that were of as great or greater magnitude than those obtained on the Gemini 4 mission. This could be interpreted as an indication that the contribution of a net spacecraft charge to the Gemini 4 measurements was negligible. An operational measurement that was performed on a later rendezvous mission was indicative of a very small exchange of charge between the Gemini spacecraft and the Agena vehicle.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: The Gemini Program: Phys. Sci. Expt. Sum.; p 115-124
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  • 49
    Publication Date: 2005-11-30
    Description: Recordings of the stellar ultraviolet radiation in the wavelength region from 2000 to 4000 angstroms are reported. An analysis of the surface temperatures of the stars, the absorption effects occurring in the atmospheres of the stars, and the absorption effects of the interstellar dust is made from the photographic data obtained. In addition to gathering basic astrophysical data about hot, young stars, the experiment is used to clarify the problems and techniques of uv photography of stars from manned spacecraft.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Goddard Space Flight Center The Gemini Program: Phys. Sci. Expt. Sum.; p 81-99
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  • 50
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    In:  CASI
    Publication Date: 2005-11-30
    Description: Some simple calculations were made regarding the scattered light phenomenon of a sunlit earth limb. It was assumed that the light was to be scattered by an atmosphere irradiated by a zenith sun. Calculations were made with several different scattering coefficients assignable to various wavelengths of the extended visual region. The dependence of the excess blue-limb elevation was less obviously determined by the scattering angle than was suspected. It is reasonable to surmise that the variation of the values of excess blue-limb elevation originated principally from the red-limb variance, because the form of the blue-limb profiles (at least in their upper part) was more regular than was that of the red-limb profiles.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Manned Spacecraft Center The Gemini Program: Phys. Sci. Expt. Sum.; p 101-114
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  • 51
    Publication Date: 2005-11-30
    Description: Two perturbations, the earth's quadrupole moment and the earth's revolution around the sun, are discussed. Schiff's proposed gyroscope test of gravitation is analyzed, along with the capability of deciphering each separate contribution to the angular velocity of spin precession.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: JPL Proc. of the Conf. on Exptl. Tests of Gravitation Theories; p 82-84
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  • 52
    Publication Date: 2005-11-30
    Description: A mathematical model on the heterodyne method of detecting gravitational waves is presented, using a dumbbell consisting of two masses situated in a plane and a plane-fronted gravitational wave traveling perpendicular to the plane. It is concluded that the detector sensitivity is not likely to be improved without employing very complicated and expensive super low temperature techniques.
    Keywords: GEOPHYSICS
    Type: JPL Proc. of the Conf. on Exptl. Tests of Gravitation Theories; p 45-46
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  • 53
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    Publication Date: 2005-11-30
    Description: Nutation dampers are examined from the standpoint of application to manned space stations with artificial gravity. Typical spacecraft concepts and associated control requirements are considered, and examples of the dampers proposed for these spacecraft are discussed.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: 5th Aerospace Mech. Symp.; p 103-109
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  • 54
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    Publication Date: 2005-11-30
    Description: Mission requirements plus spacecraft weight and power constraints often reduce the excitation frequency of a nutation damper below 1 cpm. Since attitude stability is determined by damper performance, maximum effectiveness at low rates is demanded. Presented are design considerations that low-frequency dampers require, along with descriptions of two low-frequency systems: the Direct Measurement Explorer 1 and the Small Astronomy Satellite A (SAS-A).
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Goddard Space Flight Center 5th Aerospace Mech. Symp.; p 97-102
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  • 55
    Publication Date: 2005-11-30
    Description: The thermal heliotrope is a passive solar-array orientation device containing a bimetallic helix that rotates when activated by solar energy. The rate and extent of the rotation depends upon the properties of the two metals and the temperature of the helix. An energy-balance analysis is performed to determine the temperature distribution in the helix. By initially restricting the analysis, a simplified equation governing the response of the heliotrope is obtained. In order to gain insight into the response of the heliotrope, a series of experiments were performed. The results of these tests and the implications are presented.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Goddard Space Flight Center 5th Aerospace Mech. Symp.; p 33-39
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  • 56
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The area of study was the southeastern Arizona test site and three areas within the site were studied in detail: Safford, Point of Pines, and Fort Apache-White River. These areas have terrain contrast ranging from flat arid regions to high alpine mountains. Data were obtained from the Apollo 9 photographic missions, high altitude aerial photography, and simulated ERTS-A data from high altitude aircraft. Various monoscopic and steroscopic devices were used to analyze the features, and film density variations were studied. No ground-based data were permitted. Thematic maps were prepared for geology, geomorphology, vegetation, hydrology, and soils. Interpreted boundaries were delineated, with no collaborative data used in the interpretation. Ground-based data were gathered during the overflight of high altitude aerial photography. A further study was made using the ground truth, and the data gathered on the ground were compared with original mapping. 80% to 85% of the interpretations in the areas checked were correct. It was proved that it is possible to monitor gross features of the vigor of crop lands and vegetative cover, to type soils and classify geologic features, and to determine hydrologic conditions.
    Keywords: GEOPHYSICS
    Type: NASA. Manned Spacecraft Center 3d Ann. Earth Resources Program Rev., vol. 1; 3 p
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  • 57
    Publication Date: 2005-11-30
    Description: The possibility of improving the accuracy of terrain classification by preprocessing spectral data was investigated. Terrain maps were made using the following techniques: 1) preprocessing by scan angle function transformation, using the computer-selected best set of three channels; and 2) preprocessing by ratio transformation, using the specified ERTS data channels, simulated by fitting the spectral response of each of the 12 data channels to the ERTS channels by a set of weighting coefficients. By using a simple technique during printout, the maps were produced in color. The normalized scan angle function transformation resulted in the most accurate classification. The best ratio transformation for the Yellowstone Park data was the ratio of each channel to the sum of all channels. A supervised training program involving maximum likelihood decision for selecting the best spectrometer channels and similar techniques for digitizing the data of the analog magnetic tapes were used. Cloud shadows were recognized in addition to eight classes of terrain. Preprocessing of data resulted in more accurate maps, required fewer training areas (hence less preparation and computer time), and enabled much of the area formerly classified as shadow to be reclassified according to actual terrain type.
    Keywords: GEOPHYSICS
    Type: NASA. Manned Spacecraft Center 3d Ann. Earth Resources Program Rev., vol. 1.; 25 p
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  • 58
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    Publication Date: 2005-11-30
    Description: Remote sensing technology and data from instrumented satellites and high altitude aircraft are proposed for mapping land use on a current national basis, for monitoring changes and trends, and for creating statistical models which can be manipulated to demonstrate the probable effects of proposed land use and of environmental changes over large areas. Both Apollo spacecraft and aircraft photography were used; the spacecraft pictures delineated the cropland and urban boundaries more clearly. A computer model is also proposed for statistical analysis and for printing out updated maps automatically; this model will include a data bank which can be updated rapidly with changes detected by the computer.
    Keywords: GEOPHYSICS
    Type: NASA. Manned Spacecraft Center 3d Ann. Earth Resources Program Rev., vol. 1; 9 p
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  • 59
    Publication Date: 2005-11-27
    Description: Nondestructive testing techniques for coated metallic thermal protection system for space shuttles
    Keywords: SPACE VEHICLES
    Type: NASA. LEWIS RES. CENTER SPACE TRANSPORTATION SYSTEM TECHNOL. SYMP., VOL. 3 JUL. 1970; P 261-272
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  • 60
    Publication Date: 2005-11-27
    Description: Properties, evaluation, inspection, and repair of alloys and silicide coatings for space shuttles
    Keywords: SPACE VEHICLES
    Type: SPACE TRANSPORTATION SYSTEM TECHNOL. SYMP., VOL. 3 JUL. 1970; P 247-260
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  • 61
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Temperature control system for space shuttles
    Keywords: SPACE VEHICLES
    Type: NASA. LEWIS RES. CENTER SPACE TRANSPORTATION SYSTEM TECHNOL. SYMP., VOL. 3 JUL. 1970; P 201-207
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  • 62
    Publication Date: 2005-11-27
    Description: Space shuttle structural fatigue analysis
    Keywords: SPACE VEHICLES
    Type: NASA. LEWIS RES. CENTER SPACE TRANSPORTATION SYSTEM TECHNOL. SYMP., VOL. 3 JUL. 1970; P 33-47
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  • 63
    Publication Date: 2005-11-27
    Description: NASA plan for development of space shuttle structural design technology
    Keywords: SPACE VEHICLES
    Type: SPACE TRANSPORTATION SYSTEM TECHNOL. SYMP., VOL. 3 JUL. 1970; P 9-16
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  • 64
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Aerodynamic and heating problems of spacecraft entry into Mars and Venus atmospheres
    Keywords: SPACE VEHICLES
    Type: PERFORMANCE AND DYN. OF AEROSPACE VEHICLES 1971; P 175-288
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  • 65
    facet.materialart.
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Farfield and nearfield acoustic environments of space shuttle
    Keywords: SPACE VEHICLES
    Type: NASA SPACE SHUTTLE TECHNOL. CONF., VOL. 3 APR. 1971; P 401-422
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  • 66
    facet.materialart.
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Results of pogo stability analyses
    Keywords: SPACE VEHICLES
    Type: NASA SPACE SHUTTLE TECHNOL. CONF., VOL. 3 APR. 1971; P 359-399
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  • 67
    Publication Date: 2005-11-27
    Description: Influence of space shuttle configurations on wing aeroelastic behavior
    Keywords: SPACE VEHICLES
    Type: NASA SPACE SHUTTLE TECHNOL. CONF., VOL. 3 APR. 1971; P 181-199
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  • 68
    Publication Date: 2005-11-27
    Description: Studying ground-wind loads with models of space shuttle configurations to assess aerodynamic instabilities on erected space shuttle vehicles
    Keywords: SPACE VEHICLES
    Type: NASA SPACE SHUTTLE TECHNOL. CONF., VOL. 3 APR. 1971; P 155-179
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  • 69
    Publication Date: 2005-11-27
    Description: Criteria for designing space shuttle landing systems
    Keywords: SPACE VEHICLES
    Type: NASA SPACE SHUTTLE TECHNOL. CONF., VOL. 3 APR. 1971; P 121-154
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  • 70
    Publication Date: 2005-11-27
    Description: Ray tracing techniques for examination of refractivity profile sensitivity in tropospheric range and Doppler effects on profile shape
    Keywords: GEOPHYSICS
    Type: THE DEEP SPACE NETWORK, VOL. 1 15 FEB. 1971; P 22-30
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  • 71
    Publication Date: 2005-11-27
    Description: Holographic monitoring method for astronomical telescope mirror
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 311-314
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  • 72
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Interferometric control of surface figures during astronomical mirror manifacturing
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 291-296
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  • 73
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Design requirements for mirror support systems for terrestrial telescopes
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 381-387
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  • 74
    facet.materialart.
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Optical mirror systems for spaceborne telescope
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 321-325
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  • 75
    Publication Date: 2005-11-27
    Description: Processing effects on dimensional stability of beryllium mirrors for telescopes
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 181-188
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  • 76
    facet.materialart.
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Computerized design and automated manufacture of optical lenses
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 137-139
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  • 77
    facet.materialart.
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Optical properties of image converters, image intensifiers, and photocathodes
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 501-509
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  • 78
    facet.materialart.
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Large roll-film electronographic camera for aerial reconnaissance and astronomical observations
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 511-521
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  • 79
    Publication Date: 2005-11-27
    Description: High resolution measurements and diffraction limited optics of large space telescope
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 33-38
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  • 80
    facet.materialart.
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Subjects on planetary flight missions, supporting technology, microbial release probabilities, heat sterilization cycles
    Keywords: BIOSCIENCES
    Type: NNING, EVALUATION, AND ANAL. STUDIES IN PLANETARY QUARANTINE AND SPACECRAFT STERILIZATION 15 JUN. 1970 (SEE N70-35042 19-04) 19-04/
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  • 81
    Publication Date: 2005-11-27
    Description: Space shuttle acoustic environment characteristics and plume induced flow separation phenomenon
    Keywords: SPACE VEHICLES
    Type: SPACE TRANSPORTATION SYSTEM TECHNOL. SYMP., VOL. 2 JUL. 1970; P 285-300
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  • 82
    Publication Date: 2005-11-27
    Description: Developing image isocon camera tube for astrometric measurements in space
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 591-597
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  • 83
    facet.materialart.
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    In:  CASI
    Publication Date: 2005-11-27
    Description: Figure control computer system for active primary astronomical mirrors
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 315-320
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  • 84
    facet.materialart.
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    Publication Date: 2005-11-27
    Description: Spacecraft attitude and reaction control, and Wiener-type filters for multivariable nonlinear processes
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: SPACE PROGRAMS SUM. NO. 37-61, VOL. 3 28 FEB. 1970; P 149-164
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  • 85
    Publication Date: 2005-11-27
    Description: Surface smoothness foucaultgrams of large astronomical mirrors
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 153-164
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  • 86
    Publication Date: 2005-11-27
    Description: Optical properties of large spaceborne telescopes
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA, WASHINGTON OPT. TELESCOPE TECHNOL. 1970; P 83-87
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  • 87
    Publication Date: 2005-11-27
    Description: Conflicting sensory data relating to spatial orientation from visual, vestibular, and somatosensory systems inducing motion sickness
    Keywords: BIOSCIENCES
    Type: SYMP. ON THE ROLE OF THE VESTIBULAR ORGANS IN SPACE EXPLORATION 1970; P 45-52
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  • 88
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    Publication Date: 2005-11-27
    Description: Trajectory and performance of Agena-Nimbus 3 satellite
    Keywords: SPACE VEHICLES
    Type: THORAD-AGENA PERFORMANCE FOR THE ~NIMBUS 3 MISSION JUN. 1970; P 13-19
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  • 89
    Publication Date: 2005-11-27
    Description: Mass ratio allowances for mathematical modeling of optimal multistage rocket vehicles
    Keywords: SPACE VEHICLES
    Type: TRANS. OF THE FIRST LECTURES DEDICATED TO THE DEVELOP. OF THE SCI. HERITAGE OF K. E. TSIOLKOVSKIY APR. 1970; P 27-41
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  • 90
    Publication Date: 2005-11-27
    Description: Mathematical model for short-term adaptation to vestibular stimuli in relation to angular velocity of nystagmus and angular velocity of head rotation
    Keywords: BIOSCIENCES
    Type: NAVAL AEROSPACE MED. INST. 4TH SYMP. ON THE ROLE OF THE VESTIBULAR ORGANS IN SPACE EXPLORATION 1970; P 369-393
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  • 91
    Publication Date: 2005-11-27
    Description: Design criteria for onboard centrifuges in orbital space stations to create artificial gravity
    Keywords: BIOSCIENCES
    Type: NAVAL AEROSPACE MED. INST. 4TH SYMP. ON THE ROLE OF THE VESTIBULAR ORGANS IN SPACE EXPLORATION 1970; P 329-346
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  • 92
    Publication Date: 2005-11-27
    Description: Linear acceleration effects on semicircular canals in elasmobranch fishes
    Keywords: BIOSCIENCES
    Type: NAVAL AEROSPACE MED. INST. 4TH SYMP. ON THE ROLE OF THE VESTIBULAR ORGANS IN SPACE EXPLORATION 1970; P 159-166
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  • 93
    facet.materialart.
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    Publication Date: 2005-11-27
    Description: Neurological elements in vomiting sequence and components of emetic reflex in motion sickness
    Keywords: BIOSCIENCES
    Type: NAVAL AEROSPACE MED. INST. 4TH SYMP. ON THE ROLE OF THE VESTIBULAR ORGANS IN SPACE EXPLORATION 1970; P 117-120
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  • 94
    Publication Date: 2005-11-30
    Description: It is reported that the objectives of the particles and fields subsatellite (PFS) magnetometer experiment are to calculate the interior electrical conductivity of the moon, to survey the remanent magnetization of the lunar surface, and to study the interaction of the moon with its plasma environment. The magnetometers also support the PFS particle experiment by providing onboard magnetic sectoring and a posteriori pitch angle data and plasma diagnostics.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Lyndon B. Johnson Space Center Apollo 16 Prelim. Sci. Rept. te]; 13 p
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  • 95
    Publication Date: 2005-11-30
    Description: The biostack experiment is described which was designed to study the biologic effects of individual heavy nuclei of galactic cosmic radiation during space flight outside the magnetosphere of the earth. Specifically, the biostack experiment was designed to promote research on the effects of high energy/high Z particles of galactic cosmic radiation on a broad spectrum of biologic systems, from the molecular to the highly organized and developed forms of life. The experiment was considered unique and scientifically meritorious because of its potential yield of information - currently unavailable on earth - on the interaction of biologic systems with the heavy particles of galactic cosmic radiation.
    Keywords: BIOSCIENCES
    Type: NASA. Lyndon B. Johnson Space Center Apollo 16 Prelim. Sci. Rept.; 10 p
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  • 96
    Publication Date: 2005-11-30
    Description: The X-ray fluorescence spectrometer, carried in the scientific instrument module bay of the command and service module, was used for orbital mapping of the lunar surface composition and X-ray galactic observations during transearth coast. The lunar surface measurements involved observations of the intensity and characteristic energy distribution of the secondary or fluorescent X-rays produced by the interaction of solar X-rays with the lunar surface. The astronomical observations consisted of relatively long periods of X-ray measurement of preselected galactic sources such as Cygnus (Cyg X-1) and Scorpius (Sco X-1).
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Apollo 16 Prelim. Sci. Rept.; 14 p
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  • 97
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    Publication Date: 2005-11-30
    Description: The far UV camera/spectrograph deployed in the Apollo 16 mission recorded light in the invisible band of wavelengths between 50 and 160 nm, approximately one-third the wavelength that can penetrate the atmosphere of the earth to ground based telescopes. The photographs obtained show hydrogen and other gases in the solar wind and interplanetary media, and provide new data on stars, nebulae, and galaxies. The instrument is described, the experimental goals outlined, and the preliminary results discussed.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Lyndon B. Johnson Space Center Apollo 16 Prelim. Sci. Rept.; 14 p
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  • 98
    Publication Date: 2005-11-30
    Description: A lunar orbital mass spectrometer carried by the Apollo 16 command and service module was used to detect the lunar atmosphere and to search for active lunar volcanism. The experimental procedure and results are described.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Apollo 16 Prelim. Sci. Rept.; 6 p
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  • 99
    Publication Date: 2005-11-30
    Description: The transearth coast period of the Apollo 16 mission provided an opportunity to study the astronomical sources of gamma radiation. This experiment was used to aid compositional identification for geochemical mapping of the lunar surface.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Apollo 16 Prelim. Sci. Rept.; 8 p
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  • 100
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    Publication Date: 2005-11-30
    Description: This experiment obtained imagery of the earth and the moon at a series of wavelength intervals in the near ultraviolet. These photographs were used to aid in the interpretation of the UV appearance of other planets in the solar system, especially mars and venus. The filter and film characteristics are described, as well as the ozone absorption coefficient curve.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Lyndon B. Johnson Space Center Apollo 16 Prelim. Sci. Rept.; 5 p
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