* Astronomy

Sounds of Northern Lights are born close to ground

For the first time, researchers at Aalto University in Finland have located where the sounds associated with the northern lights are created. The auroral sounds that have been described in folktales and by wilderness wanderers are formed about 70 meters above the ground level in the measured case.
Researchers located the sound sources by installing three separate microphones in an observation site where the auroral sounds were recorded.
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Clap Sounds of Northern Lights? - Sound Source 70m Above Ground Level