"Dayglow." . . "Atmospheric composition." . . "Nitrogen." . . . . "Satellite imagery." . . "Far ultraviolet radiation." . . "Thermosphere." . . "Oxygen." . . "Ultraviolet imagery." . . . . . . . . . . . . . . . . . . "Thermospheric O/N₂ based on DE-1 FUV dayglow imaging data year 1 final report, NASA ITM SR & T award NASW-5006"@en . . . . . . . . .