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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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At least 379 records · Page 21

The spectrum of the ultraviolet aurora.

UV auroral spectrum atomic oxygen, nitrogen and molecular nitrogen electron impact excited emission calculations compared to rocket observations

Barth, C. A.↗

Television observation of auroras.

Image intensifiers and orthicons, plumbicons, vidicons as photoelectric devices in TV auroral observation from ground stations and jet aircraft

Davis, T. N.↗

Characteristics of polar cap auroras.

Spectral characteristics of structured areas of luminosity in polar cap region, reporting spatial and time variations plotted from NASA airborne survey

Akasofu, S.-I.↗