Global Recruitment Market Report Essay Example for Free

Global Recruitment Market Report Essay http://www.aarkstore.com/reports/Global-Recruitment-Market-Report-2012-Edition-12373.html One of the major industries which move in tandem with the global economic condition is recruitment industry, also known as staffing industry. Recruitment is the process of attracting, screening, and selecting a qualified person (from within or outside of an organization) for a job opening. The types and sources of recruitment are of 2 types viz. Internal and External recruitment. Considering the structure of the global recruitment industry, the overall staffing market can be bifurcated in two major segments: General staffing and Professional staffing. Furthermore, the sub segments of general and professional staffing include Temporary staffing, Permanent staffing and Outsourcing. As of now, the general staffing segment which takes into account the staffing of the semi-skilled and lower wage blue collar workers overshadowed the professional staffing segment in terms of market share, which is constituted by the high skilled and higher wage professionals staffing. At present, on account of the ameliorating economic condition all across the globe, the recruitment industry is also growing at a swift pace. In addition, a substantial share of production activities is inclining towards the developing nations/emerging countries, because of the cost benefits, the recruitment market is poised to gain momentum from the same in the near future. The report provides a comprehensive overview of the global staffing industry along with the coverage of major regional markets like North America (The US and Canada), Europe (France, Germany, Italy, UK, Spain, Sweden and Switzerland), Asia (India and Japan) and Australia, describing the market size, segmentation, and employment/unemployment rates. Some of the major trends and developments studied include the deployment of supplier management strategies like VMS, MSP, RPO, HRO, industry consolidation through mergers and acquisitions, and the quick penetration of online recruitment sources especially in the US. Moreover, there are certain underlying growth drivers such as the improving global economic scenario and increasing employment. Since employment is closely correlated to the world GDP, augmentation in the GDP in the years to come will expedite the growth of recruitment market. But in line with these growth drivers, there also exist some challenges and issues which potentially hinder the growth of recruitment industry on regional basis. A couple of these challenges include lack of skilled workers and stringent regulatory obligations by which the staffing agencies are bound to abide. Moreover, the global staffing/recruitment market is fiercely competitive and highly fragmented with numerous global and national players in fray, vying for the market share. Also, the top four players account for about one-fifth of the total revenues of the industry. On the global level, Adecco Group is the leading player followed by Randstad and Manpower. The four largest companies in the recruitment industry, Adecco, Randstad, Manpower and Kelly Services are profiled. By combining SPSS Inc.’s data integration and analysis capabilities with our relevant findings, we have predicted the future growth of the industry. We employed various significant variables that have an impact on this industry and created regression models with SPSS Base to determine the future direction of the industry. Before deploying the regression model, the relationship between several independent or predictor variables and the dependent variable was analyzed using standard SPSS output, including charts, tables, and tests.

Daisy Miller: An Annotated Bibliography Essay -- Annotated Bibliograph

Baylard, Dana Reece. "Daisy Miller." Masterplots, Fourth Edition (2010): 1-3. Literary Reference Center. Web. 23 Feb. 2014. This article analyzes the traditional social expectations implemented in an ancient European setting that conflicted with the more unorthodox ways of Americans who were traveling in Europe. Baylard depicts Daisy Miller’s behavior in the novella as innocent, yet ignorant to the customs of sophisticated Europe. Baylard describes Daisy Miller’s repeated misjudgment from Geneva’s society and reflects on the positive attributes to her personality that unfortunately are consumed by her conformity during her untimely death by the end of the novella. The author, Baylard, discusses how Daisy’s behavior is innocently rash and that her behavior is unintentionally trying to be lewd, but being in an unfamiliar setting to that of modern America has left her unaware of how to act properly. This is what leads to her misjudgment, which is clearly represented in Baylard’s descriptions of how various characters acted in the story. Such as Eugino, who would act shocke d and look at the Millers in a disapproving manner, or that of Mrs. Costello, who Baylard points out as an example of how women were supposed to act. Women of this specific time period, as Baylard says, were defined as delicately feeble as Mrs. Costello is similarly with her constant headaches, but Daisy’s untraditionally improper ways are a breath of fresh air to the typical norms. Brown, Melanie. "Freedom in Daisy Miller." Bloom's Literature. Facts On File, Inc. Web. 3 Mar. 2014. The writing discusses the theme of â€Å"Daisy Miller: A Study† being about freedom. Brown bring up the fact that Daisy and the Millers grew up in America where having a sense of in... ...ce and gives an effective analysis on her point of view. Works Cited Baylard, Dana Reece. "Daisy Miller." Masterplots, Fourth Edition (2010): 1-3. Literary Reference Center. Web. 23 Feb. 2014. Brown, Melanie. "Freedom in Daisy Miller." Bloom's Literature. Facts On File, Inc. Web. 3 Mar. 2014. Bruccoli, Matthew J., and Judith S. Baugman. "Daisy Miller." Bloom's Literature. Facts On File, Inc. Web. 2 Mar. 2014. Coffin, Tristram P. "Daisy Miller, Western Hero." Western Folklore 17.4 (1958): 273-75. JSTOR. Web. 01 Mar. 2014. Dunbar, Viola R. â€Å"The Revision of Daisy Miller.† Modern Language Notes 65.5 (1950): 311-317. JSTOR. Web. 28 Feb. 2014. Morris, Toni J. "Daisy Miller." Cyclopedia Of Literary Places (2003): 1. Literary Reference Center. Web. 5 Mar. 2014. Werlock, Abby H. P. "Daisy Miller." Bloom's Literature. Facts On File, Inc. Web. 5 Mar. 2014.

Immaculate Perception

The stance of immaculate perception is a false one. Immaculate perception describes a pure and untainted perception, one that has no bias. Bias is acquired with experiences and teachings, both of which create expectancy, which taints perception with bias. One may argue that a newborn baby has immaculate perception, a clean slate with no expectations or sense conditioning. However, this point cannot be proved because where is the division between the experiences of the mother and the baby, or is there even a division between the two? Does the baby's formation count as an experience? With no clear answers to these questions how can immaculate perception occur in reality? This question leads to another one. What is reality and how does it relate to perception? Reality is the truth that we try to ultimately reach through perception as we sort through our sense datum. Yet, this truth can vary between people. The conclusion or truth that people search for through perception analysis can be determined by one's own needs and expectations. Though two creatures may be exposed to identical stimuli and sense datum their inferences achieved through perception will vary greatly because each has a tainted or biased perception. For example, a human and a dog are both put in a forest where they are lost and must find their way home. The person will rely highly on sight to sort through the wilderness and arrive home safely because he has conditioned himself to rely heavily on the sense of sight while, the dog may rely on scent more so then sight to track his way home. Both have perception that has been flawed or somewhat polluted. Both the human and dog are exposed to the same stimuli yet they each perceive their situations differently. This is due to their biased perception, the human through previous experiences has conditioned himself to perceive his experiences mainly through sight while the dog has done the same but with smell, neither has an unprejudiced perception because both have been conditioned through experiences. Perception is controlled and created by experience. The goal of perceiving is to know your surroundings. However your surroundings control your experiences. Therefore perceiving is a way of analyzing your experiences. But if this is true then there is no such thing as immaculate perception. Every individual's experiences are each unique. The way in which they are accepted or rejected depends on cultural conditioning as well as previous experiences. With this bias no one can claim to have untouched or virgin perception because it has been trained to only acknowledge certain elements of the surrounding. For example, I have been trained to rely on sight to gain the bulk of my knowledge of my surroundings but a blind person would have trained their senses or perception tools very differently having no sight. Therefore each experience and the sense datum gained from it would be different. The stance of immaculate perception claims that since the act of perceiving has no bias each experience for every person results in the same knowledge. This is false because it is impossible for two beings to infer the same information from a protocol. In a world made of unique creatures it's impossible for immaculate perception to exist.

John Steinbeck s Of Mice And Men - 968 Words

Solidifying the theme of John Steinbeck’s Of Mice and Men, the protagonist George expresses his significant loneliness despite a strong kinship with his friend Lennie, â€Å"’I ain’t got no people†¦ I seen the guys that go around the ranches alone. That ain’t no good’† (41). Published in 1937, amidst the horrific turmoil of the Great Depression, Steinbeck’s novella struck a sensitive chord with readers. Set in the heart of California’s Central Valley, this story follows two men, George and Lennie, as they run from old shadows to a new farm for work. Clinging to the distant dream of owning their own piece of land, the men imagine life outside their present difficulties. Illustrating that life is varied by emotional complexities beyond black and white, George’s longing for companionship and family seep through in conversations with his new co-worker Slim. Despite Lennie’s sheer physical strength, his mental abi lities are limited to that of a naà ¯ve, innocent, and very young boy; the result is a relationship akin to an uncle and nephew. Lennie, with primal-like behaviors and a gold-fish memory, struggles to adhere to George’s words of wisdom. In the end, tragedy strikes them both as George is forced to kill Lennie due to an accident with the son of the landowner’s wife – a woman who looks for trouble at the onset. Consequently, George’s state of loneliness is bequeathed to a new level as he begins to imagine life without Lennie in tow. Son of a farmer, college drop-out, film maker,Show MoreRelatedJohn Steinbeck s Of Mice And Men1248 Words   |  5 PagesIn Steinbeck s novel Of Mice and Men, He uses imagery many times to create a realistic setting and plot. Steinbeck’s depiction of migrant workers and their daily complications during the depression are objectively precise due to his use of imagery with idioms, dreams, nature, loneliness and animal imagery. The main theme of the book transpires to be loneliness and fate. While George and Lennie, the main characters have a synergetic relationship, fate steps in and does away with their dreams, whichRead MoreJohn Steinbeck s Of Mice And Men897 Words   |  4 Pagesthat we possess. Many people feel certain emotions based on events that have taken place in their lifetime or how they were raised throughout their childhood. In John Steinbeck’s Of Mice and Men, he portrays the feelings of isolation and loneliness in three different characters. George’s isolation is illustrated in Steinbeck’s, Of Mice and Men. George expresses many hard feelings towards Lennie at the opening of this story. â€Å"‘...you’re a lot of trouble,’ said George. ‘I could get along so easy and soRead MoreJohn Steinbeck s Of Mice And Men1243 Words   |  5 Pagesis what John Steinbeck achieves by portraying this through the characters in his novella Of Mice and Men. The main characters are affected by loneliness in their own different way throughout the novella. rf The loneliness is maintained by the challenges that the characters have to face, and they sustain those challenges of being inhumane towards each other. Crook, a figure in the story who experiences discrimination encounters the challenge of race, due to the book’s setting in the 1930’s duringRead MoreJohn Steinbeck s Of Mice And Men1080 Words   |  5 Pagesâ€Å"I want you to stay with me Lennie. Jesus Christ, somebody’d shoot you for a coyote if you was by yourself.† The novel Of Mice and Men by John Steinbeck shows the relationship between two migrant workers in the 1930s, George and Lennie, along with the other members on the new ranch that they began working on. Georgie and Lennie dreamed of following the American Dream and owning their own patch of land and the novel revolves around the dream and the obstacles that stand in their way. Lennie, a strongRead MoreJohn Steinbeck s Of Mice And Men1286 Words   |  6 PagesThe realistic fiction novella O f Mice And Men by John Steinbeck explains the journey of two migrant farm workers. Lennie and George are forced to overcome the Dust Bowl and The Great Depression around 1938. This makes jobs even harder to come by because everyone wanted one. Lennie and George were kicked out of Weed and they now work at a ranch in Soledad. At the new farm the friendship between Lennie and George becomes harder to maintain. The people on the farm are all different shapes, sizes, andRead MoreJohn Steinbeck s Of Mice And Men2167 Words   |  9 Pagesjobs. In John Steinbeck’s Of Mice and Men, George Milton and Lennie Small wander through California in search of a new job that would help them make enough money to live their American dream on â€Å"the fatta the lan’†(Steinbeck 14). George and Lennie’s hard work and determination is not enough for them to live their dream. Lennie has a mental disability that slows the two friends down from living their dream; they have to ru n from job to job because of Lennie’s unintentional actions. Steinbeck incorporatesRead MoreJohn Steinbeck s Of Mice And Men1360 Words   |  6 Pagesfeeling, thinking and acting in everyday life. In the story Of Mice and Men by John Steinbeck, a duo of farmers, George and Lennie, search for work wherever they can. Their dream of having a farm of their own is coming into reach, while George has to wield Lennie away from the temptation of Curley’s wife and the reality of what Lennie can do. John Steinbeck uses characterization to illustrate the nature of human existence. Steinbeck portrays George as a man who tries to help, and helps others soRead MoreJohn Steinbeck s Of Mice And Men1448 Words   |  6 Pages In the novella, Of Mice and Men, John Steinbeck discusses the idea of loneliness and how people who work at the ranch have no family and no future in lives. He indicates that all people at the ranch are lonely, but he specifically uses a few characters to highlight their state of being lonely and more miserable than the others. He emphasizes the loneliness of ranch life during the Great Depression, and shows how people are willing to try and find friendship in order to escape from the state ofRead MoreJohn Steinbeck s Of Mice And Men1205 Words   |  5 Pagesand the time period of John Steinbeck s novella, Of Mice and Men, exemplifies the idea that people from minorities are held back from achieving their version of the ‘American Dream’. This goes to prove not everyone will overcome the overbearing tidal waves of their hardship s, which makes the American Dream nothing more than a dream to them. Crooks, the black stable hand, faces discrimination due to his skin color as this unfortunately was common in the 1930’s. John Steinbeck uses Crooks’ situationRead MoreJohn Steinbeck s Of Mice And Men1387 Words   |  6 Pageslanguage. Soledad is also town in which Of Mice Men takes place. The entire novel displays the idea of solitude. Along with the presence of loneliness in this story, John Steinbeck also ties in the idea of companionship through the everyday lives of individuals. The correlation of loneliness and companionship in the lives of these characters, along with the diversion of lifestyles consistently shows. Of all the many themes of the book, Of Mice and Men, the most important theme is the theme of loneliness

The Secret Under My Skin Character Analysis - 1814 Words

Moments in a person’s life, or decisions made by one’s self and people around them can impact the course of their future. Like author and life coach Tony Robbins once quoted â€Å"It is in your moments of decision that your destiny is shaped.† (BrainyQuotes.com 1). Janet McNaughton ´s dystopian novel The Secret Under My Skin is an excellent portrayal of how moments in one’s life can lead them in their journey. The novel, shows how the protagonist of the novel, Blake Raintree, is changed drastically as she moves forward in her adolescent years. After having to endure an arduous childhood, Blake is indirectly given the opportunity to change her life, when she is chosen as a helper to the bioindicator. A bio-indicator is a respected career that†¦show more content†¦Everything has happened to me, not to Marella, but to me†.(165) Blake begins to understand that it is because of her knowledge that Marella has gotten this far. Her realization can be seen when she declares â€Å"I am the person Willam has been looking for† (170). Though she may have struggled to accept her talents, we can witness her acknowledgement to them when she states â€Å"Beneath the churning doubt and confusion on the surface of my life, I feel a liquid mantle of contentment. It no longer matters whether I wanted this or not.This whatever it is, has claimed me’’ (169). Blake has grown as a character from this experience because she has discovered that she is much more than she believed herself to be. Her self esteem is raised, and she finally begins to hope for a bright future. Thus, later in the story, when Blake acquires the chance to go to university, her actions can be traced back to this vital moment. Next, another valuable lesson that Blake gains from this decisive moment, is how to respect herself despite Marella ´s oppressive control over her. This shows just part of her long journey towards maturity. When she is chose n by Marella as a helper, she is overwhelmed with joy and is grateful for the opportunity to leave the horrendous workcamp. Blake states â€Å" I will do anything to help Marella. Maybe we will even become friends†.(29) Despite Marella ´s malignant actions towards her, Blake continue to serve her, oblivious to the fact that she isShow MoreRelatedEssay on Similes in The Big Sleep908 Words   |  4 Pagesdoesnt display this annoying literary device. Everything is like this or like that. It never ends! Similar to decoding a secret message that isnt difficult to understand, but nevertheless tiring due to the overwhelming amount of messages, the novel is frustrating to read. The following analysis acknowledges Chandlers creativity in developing his main character, Philip Marlowe, with his usage of simile. However, the excessive style of the novel creates a dominating force that ultimatelyRead MoreFictional Superhero Origin Story : Oliver Queen970 Words   |  4 PagesR ebecca dies when Tommy is seventeen years. Tommy is Oliver’s best friend. Oliver’s parents are not faithful to each other. Lance has fallen in love with one of his employees named Sara Smoak. After his wife’s death, Malcoln and Moira involve in a secret love affair. The relationship grows and Malcoln wants to kill Oliver’s father to marry Moira. Thea is in high school while Oliver is taking Bachelor of Commerce at a renowned college in Starling City. During the summer holidays, Oliver accompaniesRead MoreA Feminist and Post-Colonial Analysis of Anowa by Ama Ataa Aidoo1251 Words   |  6 Pages My favourite text is a play titled â€Å"Anowa† by Ama Ataa Aidoo which was published in year 1969. This book was first given to me by my father on my twelfth birthday. Although I was disappointed initially because I was expecting something â€Å"girly† on my birthday, I liked it when I read it because of the moral lessons it portrayed and the language used in the play. However, I got a deeper understanding of the test after I did a post-colonial and a feminist analysis on the text. In my post-colonial analysisRead MoreThe Awakening Critical Analysis1596 Words   |  7 Pages The Awakening by Kate Chopin Critical Analysis The novel, The Awakening by Kate Chopin, was written during the late 19th century, when the feminist movement was in its infancy. During that era, the novel was yet to be discovered and the few considered it as a disgrace. Many thought that it portrayed a negative example of how a women should think and behave. Women during that era expected the book to be more â€Å"sophisticated† and â€Å"ladylike,† but Chopin had a different view of how women shouldRead MoreReview Of The Secret Scripture And Playboy Of The Western World 2053 Words   |  9 Pages Vaughn 8 Rockhurst University Influence of Feminism, Social Expectations, and Religion in Irish Literary Works and How Personal Experience Alters Interpretation A Critical Analysis of ?The Secret Scripture? and ?Playboy of the Western World? Baylee Vaughn EN 3870 LCA Irish Literature Dr. John Kerrigan 5 December 2016 Fascinating is one way of describing Irish Literature. All Irish literature seem to have similar characteristics. First, Irish literature always takes placeRead MoreComparison of Two Texts, â€Å"One Flew over the Cuckoo’s Nest† and â€Å"to Kill a Mocking Bird†1914 Words   |  8 PagesThis involvement of isolation is foreshadowing the idealism of the characters within the text, evoking the reader perception to be controlled by the author. This isolation is demonstrated with the case of Tom Robinson being accused of rape due to his racial skin colour. This racial form of isolation is present within modern day society, within social values. You arent really a nigger-lover, then, are you?, I certainly am. I do my best to love everybody... Im hard put, sometimes—baby, its neverRead MoreOedipus the King: Oedipuss Submission to the Gods Essay1529 Words   |  7 Pagespollyanic view of society by presenting us with plays that were intended to teach. Sopho cless Oedipus the King issued a warning for those who foolishly believed that they could challenge the forces of nature. Sophocles was known for presenting characters that are fluid not static. So it should come as no surprise that the Oedipus the reader encounters at the outset of the play, an extraordinary leader, but one whos pride has lead him to challenge his fate, has changed by the end of the play. Read MoreAnalysis Of The Book Between The World And Me Essay1855 Words   |  8 Pagesaudience as well as influential leaders of America. In his articles, he addresses controversial issues such as racial identity, bias, and law enforcement. He goes into historical analysis in order to illustrate how the events of the past are still being experienced by the people of today. Coates ties his historical analysis to anecdotes of today’s current events to put each era’s context side-by-side for comparison. In Between the World and Me, Coates makes light to the boisterous racial injusticeRead MoreHuckleberry Finn Analysis Essay1709 Words   |  7 PagesThe Adventures of Huckleberry Finn Analysis Essay â€Å"The situation of the orphan is truly the worst, you’re a child, powerless, with no protectors or guides. It’s the most vulnerable position you can be in, to see someone overcome those odds tells us something about the human spirit. They are often depicted as the kindest or most clever of characters.† Michelle Boisseau describes how important these types of characters are. In a Sunday Times article, she states that a lot of the stories andRead MoreIn The Stories Of Eva Luna By Isabel Allende1776 Words   |  8 Pageswith her own struggles, and those of society under oppressive rule and stereotypes. She ultimately acted as an influential supporter of women’s empowerment, and she harnessed this desire for equality and strength through her own literary work. In her 1989 collection of short stories entitled The Stories of Eva Luna, she takes a peculiar, yet transcendent stance on the reality of women’s lives within the tyrannical structure of Latin American society under dictators such as Pinochet. Appealing to a

The Crucible By Arthur Miller - 1056 Words

Reverend Hale develops from a strong intelligent individual with no compassion, to kind sympathetic as the story matures for example when he is begging women in prison to confess to save their lives. A crucible is a severe test as of patients or belief, a trial. The play The Crucible is a journey through the trials of many townspeople caused by the superstitious belief of witchcraft. In The Crucible, Arthur Miller progresses and evolves the outlooks and views of the townspeople of Salem and shows how events, people, and catastrophes cause the characters to change their views on whether the people prosecuted were guilty or innocent of witchcraft. Reverend John Hale changes his view, more and more drastically as the play advances, as a†¦show more content†¦The conversations that Hale has demonstrate the evolution of his mindset. In Act II, Hale is traveling around the town, going house-to-house, searching for accused women to warn them that their names have been mentioned in the court. Soon, Hale finds himself standing at the Proctor home. At this moment, Hale sees a different perspective on the entire situation. â€Å"Proctor: I – I have no witness and cannot prove it, except my word be taken. But I know the children’s sickness had naught to do with witchcraft. Mr. Parris discovered them sportin’ in the woods. They were startled and took sick. Hale: Who told you this? Proctor: Abigail Williams.†(Page 68-69) Originally, Hale was only provided evidence that witchcraft was occurring in the town. Now that he has visited the Proctor’s home, he finds more support for his suspicion of the girls’ claims as he finds truth in the words of John Proctor. â€Å"Abigail Williams told you it had naught to do with witchcraft†¦ Why – why did you keep this? †¦Nonsense! Mister, I have myself examined Tituba, Sarah Good, and numerous others that have confessed to dealing with the Devil. Thy have confessed it†¦ And you – would you testify to this in court?†(Page 68-69) No longer believing that Abigail and her crew were correct, Hale finally opens his eyes to the new possibility that those who confessed did it for the sake of not being hung. Hale sees the honesty in Procter

Is There Another Earth Out There Essay Example For Students

Is There Another Earth Out There? Essay Is There Another Earth Out There?(adopted from an article by Guillermo Gonzalez, Donald Brownlee and Peter D. Ward, Refugees for Life in a Hostile Universe, Scientific American, October 2001) Is there life on other planets? Science has been trying to answer this question for a long time. In the article, the authors argue that it is highly improbable that complex life forms exist in our galaxy. To quote the authors: â€Å"Researchers are now casting a skeptical eye on musings about the prevalence of intelligent life throughout the Milky Way†. Furthermore, according to the article, not only may most of the solar system be unfriendly to multi-cellular or complex organisms, the same may be true of much of the galaxy. In fact, in recent years, astronomers have gained an appreciation of just how deadly our galaxy can be, filled as it is with exploding stars, radiation, and stellar close encounters. We will write a custom essay on Is There Another Earth Out There? specifically for you for only $16.38 $13.9/page Order now Creating a Hospitable PlanetHow does one determine the hospitality of a planet? Within a given planetary system, astronomers describe the optimal locations for life in terms of the cicumstellar habitable zone (CHZ). The CHZ is generally considered to be a region around a star where liquid water can persist on the surface of an Earth-like planet for at least a few billion years. In 1999, there was a proposed concept of a galactic equivalent to the CHZ: the galactic habitable zone (GHZ). The GHZ defines the most hospitable places in the Milky Way-those that are neither too close nor too far from the galactic center. The boundaries of the galactic habitable zone are set by two requirements: a). the availability of material to build a habitable planet and b). adequate seclusion from cosmic threats. a. In order for a planet to be created, sufficient building material must exist. Interestingly, metals are the building blocks of Earth-like planets. In fact, the abundance of metals affects t he size of the planets that can form. Size, in turn, determines whether a planet can retain an atmosphere and sustain geologic activity. The abundance of metals is measured by metallicy-the ratio of the number of metal atoms to the number of hydrogen atoms. Particularly, the lower the metallicy of a planet, the lower is the abundance of metals. In fact, without enough metals, large planets can not form at all. On the other hand, too high of a metallicity can also be a problem. High metallicity increases the density of the protoplanetary disk and therefore induces the giant planets to shift position. The result of such shift is that such planet will throw any smaller, Earth-like bodies out of the system all together or push them into the sun. b. Metallicy is not enough to determine hospitality of a planet. To contain life, a planet must also be kept reasonable safe from outside threats, such as the impact of asteroids and comets. Blasts of radiation also present a problem. Until a ce rtain point, a planet’s magnetic field can fend off most particle radiation and its ozone layer can screen out dangerous electromagnetic radiation. However, sufficiently energetic radiation can ionize the atmosphere and generate nitrogen oxides in amounts capable of wiping out the ozone layer. Energetic radiation hitting the atmosphere can also let loose a deadly rain of secondary particles. Effects on EarthIn many ways, the Milky Way is unusually hospitable: a disk galaxy with orderly orbits, comparatively little dangerous activity (comets and asteroids) and plenty of metals. Earth satisfies the requirement for optimal metallicity. The mix of land and sea on Earth is important for atmospheric temperature control and other processes. In our solar system, the frequency of asteroid impact depends on the details of Jupiter’s orbit and formation; the rest of the galaxy has no direct effect. As far as radiation is concerned, the nucleus of the Milky Way is currently relativ ely inactive. To quote the author: â€Å"If our ideas about the GHZ are correct, we live within an especially comfortable region of the Milky Way. Any civilization seeking a new world would, no doubt, place our solar system on their home-shopping list†. .u6ec6c25cefe18b362ab35a85501caf39 , .u6ec6c25cefe18b362ab35a85501caf39 .postImageUrl , .u6ec6c25cefe18b362ab35a85501caf39 .centered-text-area { min-height: 80px; position: relative; } .u6ec6c25cefe18b362ab35a85501caf39 , .u6ec6c25cefe18b362ab35a85501caf39:hover , .u6ec6c25cefe18b362ab35a85501caf39:visited , .u6ec6c25cefe18b362ab35a85501caf39:active { border:0!important; } .u6ec6c25cefe18b362ab35a85501caf39 .clearfix:after { content: ""; display: table; clear: both; } .u6ec6c25cefe18b362ab35a85501caf39 { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .u6ec6c25cefe18b362ab35a85501caf39:active , .u6ec6c25cefe18b362ab35a85501caf39:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .u6ec6c25cefe18b362ab35a85501caf39 .centered-text-area { width: 100%; position: relative ; } .u6ec6c25cefe18b362ab35a85501caf39 .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .u6ec6c25cefe18b362ab35a85501caf39 .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .u6ec6c25cefe18b362ab35a85501caf39 .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u6ec6c25cefe18b362ab35a85501caf39:hover .ctaButton { background-color: #34495E!important; } .u6ec6c25cefe18b362ab35a85501caf39 .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .u6ec6c25cefe18b362ab35a85501caf39 .u6ec6c25cefe18b362ab35a85501caf39-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u6ec6c25cefe18b362ab35a85501caf39:after { content: ""; display: block; clear: both; } READ: Hiv & Multiple Bereavement Syndrome EssayThe Possibility of Life on Other PlanetsGiven the above factors, can one determine if there is life on other planets? According to the article, such can be determined. The outlook on the possibility of extra-terrestrial life, however, is weak. Various reasons exist for author’s opinion. The authors argue that only part of the Milky Way satisfies the requirement of optimal metallicity. Taking into account the disk metallicity, rough limits can be placed on the GHZ both in space and in time. In fact, few planets in our galaxy satisfy the requirement for optimal metallicity. The broad universe looks even less inviting than our g alaxy. About 80 percent of stars in the local universe reside in galaxies that are less luminous than Milky Way. Because the average metallicity of a galaxy correlates with its luminosity, entire galaxies could be deficient in Earth-size planets. As far as cosmic threats are concerned, the cometary threat is very sensitive to the galactic environment. The frequency of comet perturbation depends on the position in the Milky Way. As one goes toward the galactic center, the density of starts increases, so there are more close encounters. Comets are thought to reside in two long-term reservoirs: the Kuiper belts and the Oort cloud. Other stars probably have similar retinues. All this suggests that complex life form is rare in the galaxy. The inner regions of our galaxy suffer from orbital instabilities, radiation bursts, and cometary perturbations. The outer regions are safer, but because of the lower metallicity, terrestrial planets are typically smaller there. Another effect concerns the dynamics of stars in a galaxy. Stars in elliptical galaxies have randomized orbits and are therefore more likely to frequent their more dangerous central positions. Thus, as this paper has described, life on other planets is highly improbable. The authors attempted to explain why, in their opinion, it is difficult for complex life forms to exist in the universe. So for now, extra-terrestrials will remain in science-fiction stories. Interstellar travelers in books will continue to visit exotic locales in the Milky Way and meet with interesting aliens. As far as reality is concerned, however, the question of extra-terrestrial life still remains unanswered. Astronomy Essays