In Earth’s polar regions, the aurora — a ghostly flicker and colorful glow — mysteriously brightens the night sky. One of the most incredible natural phenomena in the world, the array of colors of the aurora is a source of endless theory and wonder. What creates such beauty and spectacle?

Aired: 2/1/2017 | 0:52:33 | Expires: 8/2/2023 | Episode
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