Aurora Borealis over Haines, AlaskaAdd to Cart Add to Lightbox Download
A spectacular display of the Aurora Borealis or as it is commonly called, the northern lights, occurred the evening of November 8 through the early morning of November 9, 2013 over Haines, Alaska. The luminous glow in the upper atmosphere stretched across the skies above the Lynn Canal from Skagway to Juneau. The bottom edge of an aurora is typically 60 miles high with the top edge at an altitude of 120 to 200 miles, though sometimes high altitude aurora can be as high as 350 miles. The collision of sun storm electrons and protons with different types of gas particles in Earth’s atmosphere cause the different colors. Green, the most common color, is caused by the collision of electrons with atoms of with atomic oxygen.
- Aurora Borealis over Haines, Alaska.jpg
- © 2014 John L. Dengler
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