pulsating horizontal northern lights in winter

aurora borealis dawn north northern lights light sky churchill auroral ring oval clear atmosphere ionosphere magnetic charged particles gas atoms magnetosphere phenomena phenomenon earth electric travel color colorful energy skies nature ethereal evening stars midnight blue night green dark manitoba celestial swirls swirl swirling landscape landscapes winter planetarium canada season seasonal snow diffuses pulsating neon rolling boreal forest spruce trees wintery rural unshaped pale canada horizontal oxygen