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Sunspots Research Paper

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Sunspots are generated by strong and dense magnetic fields, and these magnetic fields are caused by flowing plasma that gets tangled and moves through the photosphere. [1] However, it is not actually sunspot activity that effects the Earth’s power grid and satellite communications, [2] but rather the solar flares and coronal mass ejections (CMEs) that can be caused by sunspots that cause problems. [3]
Solar flares are eruptions of energy from the sun’s surface. Quickly reaching temperatures of 10 to 20 million Kelvin, these flares can rise thousands of kilometres above the chromosphere, and can release energies of up to 6 x 1025 joules (equivalent to “the energy of a few million volcanic eruptions on the earth”) [4]. Solar flares have three classifications: X, M, and C-class. X-class solar flares are the largest of the three, and also have the largest impact on Earth, causing long-lasting radiation storms in the upper atmosphere, and causing radio blackouts. M-class solar flares are less powerful than X-class, however they can still cause the occasional radiation storm, and brief radio blackouts in the polar regions. C-class are the smallest of them, and barely have any impact on Earth. [5]
Whilst solar flares release high amounts of …show more content…

Solar flares give off large amounts of energy and radiation, and these are absorbed by the atmosphere in an attempt to reduce their effects on Earth. However, the increase of heat and energy result in the growth of Earth’s ionosphere. Because this is the section of the atmosphere in which man-made waves travel, radio communications can be disrupted by the unpredictable expansion. Satellites are also affected, because they go from travelling through a vacuum to travelling through the enlarged upper atmosphere. This leads to an increase in friction, a negative acceleration of the satellite, and the satellite returning to Earth sooner that intended.

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