. . . "Ultraviolet observations of the Saturnian north aurora and polar haze distribution with the HST-FOC"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Auroral zones." . . "Auroras." . . "Saturn atmosphere." . . "Energy dissipation." . . "Aerosols." . . . . "Saturn (Planet)" . . "Hydrogen." . . "Saturn (Planet)" . . "Hydrocarbons." . . "Ultraviolet photography." . . "Haze." . . "Astronomy." . .