The Sun and Its Features
Changes in the magnetic field of the sun affect us here on earth in a number of interesting ways. This magnetic field is caused by the flow of electrically charged ions and electrons on the sun, and if it didn't exist, the sun would be a much more boring star. The 11-year cycle of the sun's magnetic field accounts for many of the cool features of the sun: sunspots, solar flares, and aurora borealis. At the beginning of the cycle, the magnetic field is weak and there are very few sunspots; later, at the peak of the cycle, the magnetic field is strong, and there are many sunspots. Sunspots are relatively cool areas that appear as dark patches on the face of the sun. They occur where magnetic field lines are twisted below the surface. The period of time when the magnetic field is strong and there are many sunspots is called a solar maximum. The sun approached one of its solar maximums in the year 2000, and this maximum affected the conditions on earth.
For example, the aurora borealis, or "Northern Lights" we see in the sky are much brighter during a solar maximum. They are also more spread out over the sky. In normal years the northern lights can only be seen over the poles, but during a solar maximum they are visible to much of the northern United States and Europe. Aurora borealis is caused by the solar wind that blows off the corona of the sun. The temperature of the corona is so high that the gravity of the sun cannot hold on to it, so hot charged particles from the corona regularly fly off the sun at millions of miles per hour. When these particles collide with atoms in the earth's atmosphere, they excite their electrons, causing them to "jump" to a higher energy level. When electrons jump to a h...
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...solar maximum), less cosmic rays strike the earth, and when it is weak (during a solar minimum), many cosmic rays strike the earth. Trees record in their rings how much carbon 14 is in the atmosphere, and during the Maunder Minimum tree rings had very high levels of Carbon 14.
Thus, there seems to be a link between the sunspot cycle and the climate of the earth, with solar minimum bringing cooler temperatures and solar maximum bringing warmer ones. This, plus the beautiful displays of northern lights, and the threatening danger of solar flares, are just three ways we are effected by the solar cycle of the sun.
References:
Solar Physics. Hathaway, David H. NASA. March 17, 2000.
Sunspots as Predictors. Younce, Matthew Wiley.
The Sun-Earth Connection. NASA/GSFC. USB/S
Introducing the Aurora. Terry, Kathee and Anderson, Hugh. July 12, 1999.
Knights, L.C. "Macbeth." Shakespeare: The Tragedies. A Collectiion of Critical Essays. Alfred Harbage, ed. Englewwod Cliffs, NJ: Prentice-Hall, Inc., 1964.
During the March 1986 edition of the Journal of Modern Literature, Lee Clark Mitchell of Princeton University opens his article “‘Keeping His Head’: Repetition and Responsibility in London’s ‘To Build a Fire’” by critiquing naturalism’s style of storytelling. Mitchell claims naturalism as a slow, dull, and plain way of capturing an audience; and Jack London is the epitome of this description. Mitchell states, “[London’s] very methods of composition prompt a certain skepticism; the speed with which he wrote, his suspiciously childish plots…have all convinced readers to ignore the technical aspects of h...
Alfar, Cristina. “’Blood Will Have Blood:’ Power, Performance, and Lady Macbeth’s Gender Trouble.” Journal x. 2:2. 1998. 179-207.
An Analysis of A Raisin In the Sun & nbsp; "A Raisin In The Sun" is a play written by an African-American playwright - Lorraine Hansberry. It was first produced in 1959. Lorraine Hansberry's work is about a black family in the Chicago South Side. the Second World War. The family consisted of Mama(Lena Younger), Walter.
Macbeth is first introduced as a war hero, slayer of the Norweyans. He is then introduced to prophesy by three witches. They prophesize how he will become first Thane of Cawdor and then king. "All hail, Macbeth! hail to thee, thane of Cawdor!...Macbeth, that shalt be king hereafter." (Act 1 Scene 3). Macbeth becomes thane and starts to believe in the prophesies if the witches. What first started as inquisitiveness and doubt, soon became fate and truth as the Bible is to Christians. Macbeth began to believe the next prophesy. In fact, not only would he become king, he made it his personal obligation and responsibility to see that it became so. With a little bit of nagging (that is the best term to use) from Lady Macbeth, Macbeth chooses to fulfill his de...
Throughout history climates have drastically changed. There have been shifts from warm climates to the Ice Ages (Cunningham & Cunningham, 2009, p.204). Evidence suggests there have been at least a dozen abrupt climate changes throughout the history of the earth. There are a few suspected reasons for these past climate changes. One reason may be that asteroids hitting the earth and volcanic eruptions caused some of them. A further assumption is that 22-year solar magnetic cycles and 11-year sunspot cycles played a part in the changes. A further possibility is that a regular shifting in the angle of the moon orbiting earth causing changing tides and atmospheric circulation affects the global climate (Cunningham & Cunningham, 2009, p.205). Scientific studies suggest that all these played a role in past global warming and cooling periods. Today, however, there is a lot of conflict on whether humans are causing a global warming that could be disastrous to humans and all species of plants and animals on this earth. This paper will first explain the greenhouse effect, then take a look at both sides argument, and, finally, analyze the effect of global warming on world-wide sustainability
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from the sun is absorbed by earth’s system, the earth can get warm. When suns energy is
When looking at the Earth, it becomes readily apparent that cycles are an important theme. Earth is a closed system. Meaning only energy can pass into and out of its atmosphere with the exception with few meteorites that enter and the manmade objects we eject. Earth has the water cycle, the carbon cycle, the nitrogen cycle, the rock cycles and Earth itself cycles around the sun. It is easily understandable then that Earth climate also undergone many cyclic changes from one extreme to another within its vast history. In this paper, the focus in on the climate events that occurred from 65 Ma to present day Earth (Cenozoic era), some ways in which this information about climate can be collected and possible implications for the future
Abraham H. Maslow developed the Hierarchy of Needs model between 1943-54 in USA, and this theory remains valid even today for understanding human motivation, management training and personal development. (4) A. H. Maslow first introduced his idea of hierarchy of needs in his paper “A Theory of Human Motivation” and his succeeding book Motivation and Personality in 1943. He stated that people are motivated to achieve certain needs and they are intended to fulfil basic needs before moving on to other, more advanced needs and when one need is fulfilled they move on the next one, and so on. Maslow’s Hierarchy of Needs includes five motivational needs, often displayed as a hierarchical pyramid with five levels. This five level model can be divided into basic needs or deficiency needs and growth needs. The four lower levels are considered basic needs and the top level is considered growth needs. The five different level of hierarchy of needs are:
atmosphere. If there is more carbon dioxide in the atmosphere more rays from the sun are
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