What makes the Aurora/Northern Lights?

Question

I heard it was the sunlight reflecting of the polar ice caps. Is that true?

Answer 1

find out for yourself, visit:  http://climate.gi.alaska.edu/Curtis/curt...

and :

http://images.google.hr/imgres?imgurl=ht...

Answer 2

its high frequency EM waves form the sun concentrated to the poles by the atmosphere spliting and recombing ozone the green and nitrogen the blue.

Answer 3

Theres so much info on this and way too much to type but I did find a great website for your question.  Hope you like it.