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Dance Of Beams
Photograph - Photography
Beams of light, show of movement and colors, the northern lights were dancing through the sky.
Alaska, November 20, 2012
First place win "Mountains in the Dark" Contest, March 2013
First place win "Long Exposure" Photography Contest, Abril 2013
Published by the "Artists News" - March 18, 2013
Image featured by the groups:
- Atmospheric Optics
- Alaska Beyond your Dreams
- Loving Van Gogh
- Weekly Fun for All
- Contest Winners First Place
- Mountains and Canyons
- Artists News
Some people asked me "Can you hear the aurora?"
Maybe, or, sometimes.
Scientifically this is a difficult question to answer. It is easy to say that the aurora makes no audible sound. The upper atmosphere is too thin to carry sound waves, and the aurora is so far away that it would take a sound wave 5 minutes to travel from an overhead aurora to the ground. But many people claim that they hear something at the same time when there is aurora in the sky. I am aware of only one case where a microphone has been able to detect audible sound associated with aurora. But one can not dismiss the many claims of people hearing something, and this is often described as whistling, hissing, bristling, or swooshing. What it is that gives people the sensation of hearing sound during auroral displays is an unanswered question. By searching for an answer to that question, we will probably learn more about the brain and how sensory perception works than about the aurora.
December 8th, 2012
Viewed 239 Times - Last Visitor from Palo Alto, CA on 06/19/2014 at 3:57 AM
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