Orbital science photography. Part F - Correlation of the zero-phase brightness surge /heiligenschein/ with lunar surface roughness
Correlation of zero phase brightness surge - heiligenschein with lunar surface roughness
Offield, T. W.↗
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Orbital science photography. Part G - Near-terminator photography
Lunar surface examination using low sun elevation photography
Head, J. W., III↗
Orbital science photography. Part H - Astronomical photography
Astronomical photography of zodiacal light and lunar libration clouds
Dunkelman, L.↗
Apollo lunar orbital sciences program alpha and X-ray spectrometers
The development of the alpha and X-ray spectrometers which were used on the Apollo 15 and 16 flights is discussed. Specific subjects presented are: (1) lunar program management, (2) scientific and technical approach, (3) major test programs, (4) reliability, quality assurance, and safety, and (5) subcontract management.
Source record↗
Surface Modeling and Grid Generation of Orbital Sciences X34 Vehicle
The surface modeling and grid generation requirements, motivations, and methods used to develop Computational Fluid Dynamic volume grids for the X34-Phase 1 are presented. The requirements set forth by the Aerothermodynamics Branch at the NASA Langley Research Center serve as the basis for the final techniques used in the construction of all volume grids, including grids for parametric studies of the X34. The Integrated Computer Engineering and Manufacturing code for Computational Fluid Dynamics (ICEM/CFD), the Grid Generation code (GRIDGEN), the Three-Dimensional Multi-block Advanced Grid Generation System (3DMAGGS) code, and Volume Grid Manipulator (VGM) code are used to enable the necessary surface modeling, surface grid generation, volume grid generation, and grid alterations, respectively. All volume grids generated for the X34, as outlined in this paper, were used for CFD simulations within the Aerothermodynamics Branch.
Alter, Stephen J.↗
ISS: How Big, How Fast, How Long, and How Cool is the International Orbiting Science Laboratory
No abstract available
McCollum, Matthew B.↗
Science Orbits Design for the Lunar CubeSat EQUULEUS and for the Phobos Sample Return Mission MMX
UNKNOWN
Kawakatsu, Yasuhiro↗
Aerocapture Trajectories for Earth Orbit Technology Demonstration and Orbiter Science Missions at Venus, Mars and Neptune
No abstract provided
Jadusingh, Matt↗
Deep Space Navigation for the BioSentinel CubeSat Science Orbit
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Jose Alvarellos↗
The Rosetta mission orbiter science overview: the comet phase
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M. G. G. T. Taylor↗
A Survey of Electron Conics at Jupiter Utilizing the JADE‐E Data During Science Orbits 01, 03‐30
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J. R. Muñoz↗
An Overview of the Jupiter Europa Orbiter Concept's Europa Science Phase Orbit Design
Jupiter Europa Orbiter (JEO), the proposed NASA element of the proposed joint NASA-ESA Europa Jupiter System Mission (EJSM), could launch in February 2020 and conceivably arrive at Jupiter in December of 2025. The concept is to perform a multi-year study of Europa and the Jupiter system, including 30 months of Jupiter system science and a comprehensive Europa orbit phase of 9 months. This paper provides an overview of the JEO concept and describes the Europa Science phase orbit design and the related science priorities, model pay-load and operations scenarios needed to conduct the Europa Science phase. This overview is for planning and discussion purposes only.
Lock, Robert E.↗