Escape corrections for X-ray spectra of celestial sources.
Crab Nebula X-ray spectrum from balloon observations, noting importance of correction for escaped iodine K component
CELESTIAL OBSERVATION↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Recent developments in analytical celestial mechanics.
Periodic solutions for restricted three-body problem
SATELLITE ORBIT↗
The Influence of Massive Companions on the SIM\\Celestial Reference
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massive companions SIM\\Celestial Space Interferom↗
The Celestial Reference Frame at X/Ka-Band Status & Prospects for Improving the South
No abstract available
reference systems↗
A DISCUSSION OF HALPHEN'S METHOD OF SECULAR PERTURBATIONS AND ITS APPLICATION TO THE DETERMINATION OF LONG-RANGE EFFECTS IN THE MOTION OF CELESTIAL BODIES
Numerical integration of long-range lunar effects in the motion of artificial satellites by extension of halperns method of secular perturbations
SOLAR EFFECT↗
Infrared emission lines from celestial sources.
IR emission lines possibly originating from galactic, interstellar and stellar hydrogen regions
INTERSTELLAR GAS↗
Small-angle scattering of celestial x-rays by interstellar grains.
Small angle scattering of X-rays by interstellar grains in light of neutron star discoveries
NEUTRON STAR↗
Analog solar system model relates celestial bodies spatially
Portable analog planetarium indicates the relative time and space angular locations of the sun and planets. Distance measuring scales, angular direction indicators, and typical probe trajectories are included.
Baerg, H. R.↗
Photodetector evaluation for celestial sensing
Characteristics of vacuum deposited thin film cadmium sulfide photodetectors for space navigation
SPACE NAVIGATION↗
Atmospheric effects on celestial radio measurements at 8.6 millimeters
Engineering information on radome used for thermal and microwave observations of Moon and Venus
MICROWAVE RADIATION↗
Infrared emission lines from celestial sources.
IR emission lines possibly originating from galactic, interstellar and stellar hydrogen regions
INFRARED ASTRONOMY↗
A program of high angular resolution studies of celestial X-ray sources
Aerobee rocket experiment for detecting X-ray sources in Cygnus constellation - stellar radiation
AEROBEE ROCKET↗
Energy spectra of a number of celestial X-ray sources in the energy range from 2 to 60 kiloelectron volts.
Energy spectrum of X-ray source in Cygnus constellation with 2 to 60 kev
ENERGY SPECTRUM↗
A continuation of a program of high angular resolution studies of celestial X-ray sources Final report, 19 Feb. - 1 Aug. 1968
Refurbishment and reflight of instrumented payload on Aerobee rocket for X ray astronomy program
Giacconi, R.↗
Celestial mechanics experiment.
Lunar and Venusian masses and other parameters measured by Mariner 5
Anderson, J. D.↗