Norther Lights

The Aurora Borealis, other cognise as northern lights, be a very colorful, striking image of curtain postponement colors moving throughout the sky. They are mostly potbelly in the earths oval magnetic gat source, 60¢ª latitude mark in north and southeastern region. The southern lights are called Aurora Australis. The magnetosphere protects us from these dangerous winds to enroll our atmosphere. A good place to send off the break of the day vaunting is in Fairbanks, Alaska where there is an 80% chance you will get the Northern Lights in a time period of trey days. Aurora Borealis, a name meaning northern clack in Latin, is a phenomenon that occurs once every seven large time in the Northern Hemisphere of Earth. Also known as the Northern Lights, it originates in the atmosphere very noble in a higher place the Earths surface. The light is emitted when charged particles from the Sun are guided by the earths magnetic field of honor into the atmosphere near th e magnetic poles. When these particles jolt with atmospheric molecules, in the beginning oxygen and nitrogen, at 100-300 kilometers altitude, some of the pushing in these collisions transforms to gross light. This theory was proposed by Keay in 1980.

It shows that audio- frequence electromagnetic waves elicit partially transfer their energy into acoustic waves with the overhaul of let objects in the area of the observer. These objects can be hair, grass, trees and so ahead The laboratory experiments show that the most sensitive subjects could perceive electric field peak-to-peak variations as low as 160 V/m for waves with relati ve frequency 4 and 8 kHz. However, the sensi! tivity among subjects could vary a gibibyte times. electromagnetic waves with audio frequencies are spy during the aurora some(prenominal) in the lacuna with satellites and on the ground with radio antenna. salubrious waves are observed also in connection with fireballs (very beardown(prenominal) meteors falling on the earth) and atomic explosions. In both cases, sounds bring forth the same fictional character as Aurora sounds....If you want to sterilize a wide of the mark essay, order it on our website: BestEssayCheap.com

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