Vibrant Auroras Serenade May Day

The solar wind impacting the Earth on the May 1, 2011 erupted in a magnificent display of colorful auroras.
credit : Spaceweather.com, Uwe Mueller, Janusz Jakub Kuc, Olivier Du Tre, Zoltan Kenwell, Steve Milner, Yasser Maghsoudi, J. Dana Hrubes / Music: John Serrie