Upper limits to the hard X-ray flux from the quiet sun and Jupiter.
Upper limits to hard X-ray flux from quiet sun analyzed by balloon-borne scintillation detector measuring celestial sources
SEARCH · Engineering Papers
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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
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
Comet Ikeya-Seki observations in vicinity of sun, noting comet tail types relationship to solar wind velocity deduction
Nonlinear analysis of earth-moon system motion stability in three dimensions near L4 libration point when perturbed by sun
Sun perturbed earth-moon triangular point investigated for stable periodic coplanar orbits
Solar flare electron events correlation with radio and X ray emission from sun observed by IMP 3 and Mariner 4 satellites
Oxygen VI emission from sun, calculating ionization equilibrium of O at various temperatures and contributions from solar corona and transition regions
Despinning of sun when passing through T Tauri stage during earlier development