The Aurorae- what causes the beautiful light displays. What impact does it have on Earth?

The Aurorae The Northern Lights of the break of the day borealis argon among natures most charming sights. This light is created by high energy particles that stream from the solarise and collide with the reasons strain. The aurorae is not an occasional occurence in nature, they ar a permanent feature of the Earths upper atmosphere. Auroral breaks vary in intensity, and sometimes they fade away to almost nothing. But they be always there. There are aurorae in both hemispheres of the Earth the aurora borealis is slightly the North Pole and the aurora australis around the South Pole. The auroral display stretches high into the atmosphere. In an auroral display, charged particles from the Sun strike the atoms and molecules of the Earths atmosphere, create them to glistening. This stream of particles is called the solar wind: it radiates continuously from the Suns corona at over ternion hund tearing miles per second. Aurorae appear in many colors because each(pre nominal) be adrift in the atmosphere glows a divers(prenominal) hue when struck by solar particles. The color excessively varies according to both the electrical state and dumbness of the gas. When solar particles strike oxygen atoms, the atoms glow either young or red. In the lower atmosphere, there is mostly a green glow because the concentration of oxygen atoms is high. In the upper atmosphere there are fewer oxygen atoms. The rate of smasher between oxygen atoms is less, to red auroral display predominate. pinpoint collisions with nitrogen are responsible for bluish and purple displays, depending on whether the nitrogen atoms are charged (ionized) or not. Although aurorae are ever-present, they are also ever-changing. Satellites such as the IMP-8 (Interplanetary Monitoring Platform) throw monitored the solar wind. From their observations we know that aurorae are at their most spectacular when the solar wind blows fiercely enough to... If you want to get a full essay,! dictate it on our website: OrderEssay.net

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