An extremely vigorous and fascinating mixture of what is called "chorus" or "auroral chorus" and are natural VLF radio signals emanating from within Earth's huge magnetosphere. Similar radio sounds - at AUDIO frequencies but as radio waves -- occur on planets Jupiter and Saturn also. Nature, Magnetosphere
Description: An extremely vigorous and fascinating mixture of what is called "chorus" or "auroral chorus" and are natural VLF radio signals emanating from within Earth's huge magnetosphere. Similar radio sounds - at AUDIO frequencies but as radio waves -- occur on planets Jupiter and Saturn also.
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