Northern Lights Essay

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Ayşin Özçelik Dr. Ceylan Ertung ELIT 105 January 18, 2011 Auroras, Fires in the Sky If you are standing in Alaska, Canada, or the Northern United States on a clear dark night and looking up into the sky, you may see a bright greenish-white band of light that stretches across the sky from the East to the West. You are seeing the Northern Lights, also known as the Aurora Borealis. These types of lights also occur near the South Pole, where they are known as the Southern Lights and Aurora Australis. (http://www.nasa.gov/mission_pages/themis/auroras/ aurora_feature2.html) Imagine a bond of light in the sky moving from south to north, sometimes within minutes it change its direction 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 northern 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 visible proof of Sun - Earth relationship and Earth’s 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 Force 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 fascinated 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, history and art. Fig. 3 Early drawing of the aurora, depicted as candles in the sky, 1570.

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