This is the APOD from October 5, 2012. This picture that was taken in September near Tromso in Norway depicts not only the beautiful Northern Aurora light, but also a fire ball. Once it fell to earth it only amounted to the size of a small pebble but it light up the entire mountain side. The high speed that the pebble was falling at accounts for the brightness of the fireball. I love all the colors of this Aurora and the trail left by the fireball adds more to the picture. Surprisingly this coinciding of events happens more often than presumed.
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