Looks at the NASA's THEMIS and Cassini missions to answer the question of origin of the variations of color and shape within the aurora borealis and australis.
Analytical Essay # 128703 |
1,925 words (
approx. 7.7 pages ) |
11 sources |
MLA | 2010
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$ 36.95
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Abstract
This paper examines the time history of events and macroscale interactions during substorms as observed by the THEMIS mission, designed and launched by NASA in 2008, staffed by researchers from the United States, Canada and many European countries. In particular, the paper investigates how this mission and the Cassini mission determined that the color of the auroras depends on the type of gasses involved in the collision of particles during these substorms. The paper concludes that, by studying the earth's auroras and the auroras of other nearby planets, scientist can develop new insight into what other stars and the objects around them may be like. Color photographs are included in the paper.
From the Paper
"The auroras have been admired since earth began (or at least since there have been communities far enough north or south to view them!). These people developed many myths that attempted to explain the northern and southern lights. Some cultures believed that the lights were gods dancing. Others thought of them as the spirits of the dead. Some viewed them as good omens and went to war based on the appearance of the auroras. Others felt that they were symbols of divine anger and avoided all types of activity during times of intense colors in the auroras."
Tags:substroms, electrons, magnetosphere, satellites, saturn
A definition of the natural phenomenon - auroras, otherwise known as "Northern Lights".
Term Paper # 7453 |
1,320 words (
approx. 5.3 pages ) |
3 sources |
APA | 2002
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$ 26.95
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Abstract
The paper defines the term 'aurora' and explains what causes these luminous arcs and swirls of light to appear at different times during the year. It explains the difference between the auroras of the Northern and Southern Hemisphere and the effect that the sun, in the form of solar wind, has on auroras.
From the Paper
"One of the reasons that the auroras seem so mysterious to us is that they are a product of magnetism, which is a force that most of us are at least generally familiar with but one that is also, of course, invisible. Because both magnetism and the plasma field around the earth (which is simply a cluster or layer of charged particles) are invisible, we cannot see the physical underpinnings of the auroras, making them seem highly mysterious to us."
Tags:borealis, australis, astronomer, magnetic, poles, hydrogen
