http://www.spacedaily.com/reports/So...round_999.html
I didn't know that... did you? scary ....
I did a search on "aurora" and "sound" here in the forum and found 1 post
about a close encounter:
http://www.iceinspace.com.au/forum/showthread.php?p=154030&highlight=a urora+sound#post153497
The video in the middle of this (German) article has a (less impressive) recording of such an event:
http://www.spiegel.de/wissenschaft/n...-a-844129.html