Auroras come in a wide variety of colors — from green to pink to blue and purple — that can leave skywatchers both mesmerized and mystified. But there's method to this auroral madness. In this comprehensive guide, we delve into the science behind the colors of aurora and explore what produces these famous sky shows.
Jun 23, 2023
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The color of the aurora depends on which gas is being excited ... Oxygen emits either a greenish-yellow light (the most familiar color of the aurora) or a red ...