Aurora Borealis I
by Ellen Levinson
Title
Aurora Borealis I
Artist
Ellen Levinson
Medium
Painting - Watercolor
Description
A
The name Aurora Borealis comes from the Roman word "Aurora" which means "goddess of dawn" and the Greek "Boreas" meaning "North Wind".They are also referred to as the Northern Lights.The Cree call them "Dance of the Spirits".
I saw the aurora borealis years ago in Canada and once while camping.They have fascinated me ever since.
Aurora Borealis are a display of lights created in the atmosphere of the northern hemisphere when highly charged electrons collide with oxygen and nitrogen atoms in the solar wind in the thermosphere. The colors seen depend upon the atoms and the height above the surface of the earth (20 - 200 miles). Collisions with oxygen atoms will produce red and green and with nitrogen, blue and violet. The most commonly seen type is sort of flourescent green. The aurora sometimes appear as just a glow above the horizon and sometimes as an arcing,undulating curtain of lights that seems to fold on itself.
© 2011 Ellen Lynn Levinson (Ellyn)
All images are protected by U.S. and International copyright laws.
All rights reserved by the artist Ellen Lynn Levinson (Ellyn).
Images may not be reproduced or used in any way without written permission from the artist.
Uploaded
May 10th, 2011
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