© Fredrik Broms
Reports of pulsating auroras go back more than a century, but until recently no one knew what made the aurora borealis behave like a strobe light. Researchers from UCLA solved the puzzle in 2009-10. Using data from NASA's THEMIS spacecraft, they discovered that auroras pulse in sync to 'chorus waves' in Earth's magnetosphere. This is a type of plasma wave that, apparently, can modulate the flow of solar wind particles down to Earth during geomagnetic storms. It sounds cool, too--hence the name 'chorus.'
.
"It sounds like birds chirping when the signal is played through a speaker – that's why it is called 'chorus,'"
This comment from the linked article connects another dot, in light of Laura's work to discover the "Green Language" and "The Language of the Birds".
I have a question I cannot answer myself though about the ELF of EM, are these waves really EM as I understand it - EM being a by-product of gravity - or gravity itself?
I also thought it was very interesting that these “Chorus Waves”, were joined by the "Green Knight" in “chorus” with, and echoing, the “chorus” of our Fremen-Freemen, Egyptian brothers and sisters.