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October 23, 2020
Fireball in the sky over Alaska
Fee, who is also a researcher with the Alaska Volcano Observatory, finds infrasound useful for capturing the explosive roar of volcanoes. Scientists have also detected the aurora borealis stirring the thin air above us, and the air disturbed by far-off mine explosions. And, it turns out, infrasound is also a good tool for measuring the path of space rocks screaming through the 30-mile shell of gases surrounding our planet.