Northern Lights

Ay?in Özçelik
Dr. Ceylan Ertung
ELIT 105
January 18, 2011
mornings, Fires in the Sky
If you are standing in Alaska, Canada, or the Yankee United States on a receptive dark night and depending up into the riffle, you may await a bright greenish-white band of light that stretches across the sky from the East to the West. You are seeing the Federal Lights, also cognize as the Aurora circumborealis. These types of lights also occur near the southeasterly Pole, where they are cognise as the Southern Lights and Aurora Australis. (http://www.nasa.gov/mission_pages/themis/auroras/ aurora_feature2.html)
envisage a bond of light in the sky abject from south to north, sometimes within minutes it change its heraldic bearing to north again; dancing colours of red, purple, green and white. They look absolutely beautiful and amazing; and romantic in a way. The ones seen from northerly hemisphere are called Northern Lights also known as Aurora Borealis. Aurora is the Roman goddess of down and Boreal means North in Latin.
Besides being beautiful, northern or southern lights are the one and only circumpolar proof of Sun - Earth relationship and Earths magnetic field. Here, I am going to give a brief information about why and how they are occurring, the structures how they seen in the sky as well as well as the downsides.

Fig.



[ 1 ] EIELSON AIR FORCE BASE, Alaska -- The Aurora Borealis, or Northern Lights, shines above Bear Lake here January 18, 2005 - Credit: U.S. Air advertize photo by Senior Airman Joshua Strang

Fig. [ 2 ]Curtains of Aurora Borealis - Northern Lights - over an Alaska sunset. © iStockphoto / Roman Krochuk
Mythology
People have been mesmerised from these flickering lights in the sky and of course both Northern and Southern Lights given rise to myths. They also influence the folklore, religion, explanation and art.
Fig. 3 Early drawing of the aurora, depicted as candles in the sky, 1570. Click image to enlarge. Credit: Crawford Library, Royal Observatory, Edinburgh.
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