The Ghostly Sounds of Auroras Can Be Heard, Even When They're Invisible

The Ghostly Sounds of Auroras Can Be Heard, Even When They’re Invisible

If you’re up high, and you listen carefully on nights when the northern sky dances with blazing sheets of green light – Earth’s spectacular aurora borealis – you might hear some ghostly sounds.   Almost imperceptible, the sounds had only been heard during the wildest aurora displays, described as rushing sounds, like a waterfall at …

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