00:00This might be the wildest aurora show I've ever seen, and it's in real time.
00:06I've got to show you this.
00:08This rare pulsating aurora was captured over northern Norway by aurora expert Tom Kurz during a Hurtigruten voyage.
00:16Unlike typical northern lights, these don't just glow, they flicker on and off, almost like a heartbeat in the sky.
00:24These displays are usually short-lived, but this one lasted nearly three hours.
00:31Scientists think waves of energy deep within Earth's magnetic field send bursts of charged particles into the atmosphere, like a
00:40cosmic drumbeat.
00:42Each pulse creates a flash of light switching on and off across the sky.
00:48Look closely and you'll see pink flashes appear first, followed by green.
00:53These are caused by different gases releasing light at slightly different speeds.
00:58Want to know how this works?
01:00Read more on space.com
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