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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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Orbital regression of synchronous satellites due to combined gravitational effects of sun, moon, and oblate earth
Numerical verification of stable, periodic, coplanar orbit existence about Sun perturbed Earth-Moon triangular point
Data interpretation for sun grazing family of comets deriving formulas for compressive and tensile stress in spherical bodies for tidal, rotational and self-gravitating fields
Radar experiments of sun at 38 mc/s, presenting results on echo variation with sunspot number, coronal irregularities, etc
Interplanetary magnetic field and plasma effect on geomagnetic activity during quiet sun conditions
Upper limits to hard X-ray flux from quiet sun analyzed by balloon-borne scintillation detector measuring celestial sources
Nonlinear analysis of earth-moon system motion stability in three dimensions near L4 libration point when perturbed by sun
Highly reflective coatings and interference filters for silicon solar cells on spinning spacecraft on near-sun mission
Automatic control system is designed to rotate a dome so that a telescope, or other instruments, within the dome will continuously view the sun as the earth rotates.
Protons associated with centers of solar activity and propagation in interplanetary magnetic field regions co-rotating with sun
Equations derived for analyzing ground track of sun synchronous satellite and applied to Earth Resources Satellite
Acceleration mechanism of plasma outflow from sun
Magnetic fields of sun and effects on events near earth
Fe abundance in sun and meteorites, noting discrepancies for photosphere and corona and probable causes
Sun-Mars mass ratio solution by analysis of Mariner 4 flyby coherent Doppler tracking data
Artificial earth satellite orbital elements first order secular perturbations due to sun and moon mass derived, using Lagrangian perturbation equations
Satellite orbit adjustment, stationkeeping and attitude control of typical earth- and sun- synchronous satellites by electric propulsion systems