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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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Explorer ix satellite drag data analysis, observing atmospheric temperature perturbations due to geomagnetic storms
Air density measurements from explorer ix
Upper atmospheric densities and temperatures from photographs of Explorer IX satellite
Mean atmospheric densities from changes in orbital elements of Explorer IX satellite
Air resistance and radiation pressure as the cause of changes in the orbit of explorer ix satellite
Satellite orbital data for explorer i, vii, viii, ix and vanguard ii and iii - orbital elements
Computer analysis of atmospheric drag of explorer ix balloon satellite