🔄FROM THE ARCHIVE: Dare to ride the wave with 'surfing' electrons?🏄♂️🌌 Scientists unlock the secret behind the dazzling auroras - It's all about electrons hitching a ride on solar winds!
can still impact satellites, astronauts, and even Earth’s electrical grid. Auroras also appear much brighter during times of intense solar weather.
At some point, around 16,000 miles from Earth, the waves reach a magical speed where they’re going just a little bit faster than the electrons around them. Some of the electrons can then hitch a ride on the accelerating Alfvén wave. Only the fraction of electrons that happen to be headed in the right direction at the right speed will catch the wave .
“We were able to really dial in and study a level of detail that you just you can't with a spacecraft that's moving,” says Schroeder. If the observing satellite were in a fixed position, like a buoy tethered to the ocean floor, it would be simple to watch the Alfvén waves and see if they were accelerating any electrons. But satellites don’t stay still; they’re in orbit, which adds up to simply too many moving pieces.
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