Scientists find the trigger of the Northern Lights

1. Jul 24, 2008

MedLine

http://www.nytimes.com/2008/07/25/science/space/25aurora.html?hp"

This is pretty suprising to me and I dont quite understand how the sequence could play out in this way. Regardless, it is a pretty interesting piece.

Medline

Last edited by a moderator: Apr 23, 2017
2. Jul 25, 2008

hypatia

I found that very interesting, it makes sense, thanks for posting it.

3. Jul 27, 2008

Astronuc

Staff Emeritus
The snapping of magnetic fields is known as magnetic reconnection.

It appears that the observations support magnetic reconnection as the initiating phenomenon for auroral substorms.

Tail Reconnection Triggering Substorm Onset - Science Magazine
http://www.sciencemag.org/cgi/content/abstract/1160495