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AURORA BOREALIS

AURORA BOREALIS - lighthouse, ocean, northern lights, light
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Wallpaper Description:
How does the aurora borealis (the Northern Lights) work?

The aurora borealis (the Northern Lights) and the aurora australis (the Southern Lights) have always fascinated mankind, and people even travel thousands of miles just to see the brilliant light shows in the earth's atmosphere. The auroras, both surrounding the north magnetic pole (aurora borealis) and south magnetic pole (aurora australis) occur when highly charged electrons from the solar wind interact with elements in the earth's atmosphere. Solar winds stream away from the sun at speeds of about 1 million miles per hour. When they reach the earth, some 40 hours after leaving the sun, they follow the lines of magnetic force generated by the earth's core and flow through the magnetosphere, a teardrop-shaped area of highly charged electrical and magnetic fields.
As the electrons enter the earth's upper atmosphere, they will encounter atoms of oxygen and nitrogen at altitudes from 20 to 200 miles above the earth's surface. The color of the aurora depends on which atom is struck, and the altitude of the meeting.
ramyadevims Uploaded by ramyadevims on . AURORA BOREALIS - Desktop Nexus Nature Download free wallpapers and background images: AURORA BOREALIS. Desktop Nexus Nature background ID 1148081. How does the aurora borealis (the Northern Lights) work?

The aurora borealis (the Northern Lights) and the aurora australis (the Southern Lights) have always fascinated mankind, and people even travel thousands of miles just to see the brilliant light shows in the earth's atmosphere. The auroras, both surrounding the north magnetic pole (aurora borealis) and south magnetic pole (aurora australis) occur when highly charged electrons from the solar wind interact with elements in the earth's atmosphere. Solar winds stream away from the sun at speeds of about 1 million miles per hour. When they reach the earth, some 40 hours after leaving the sun, they follow the lines of magnetic force generated by the earth's core and flow through the magnetosphere, a teardrop-shaped area of highly charged electrical and magnetic fields.
As the electrons enter the earth's upper atmosphere, they will encounter atoms of oxygen and nitrogen at altitudes from 20 to 200 miles above the earth's surface. The color of the aurora depends on which atom is struck, and the altitude of the meeting.
Rating: 4.5

Wallpaper Comments (4)

fuzzyhead41
Posted by fuzzyhead41 on 08/23/12 at 09:46 AM
Beautiful pic thank you
fuzzyhead41
Posted by fuzzyhead41 on 08/23/12 at 09:45 AM
Beautiful pic thank you
archmagus
Posted by archmagus on 08/17/12 at 07:33 PM
Awesome!!
AstralSorceress
Posted by AstralSorceress on 08/17/12 at 08:04 AM
Amazingly beautiful. Also thanks for the description.
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Wallpaper Statistics

Total Downloads: 948
Times Favorited: 11
Uploaded By: ramyadevims
Date Uploaded: August 17, 2012
Filename: aurora.jpg
Original Resolution: 1920x1200
File Size: 840.11KB
Category: Forces of Nature

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