Life Cycle Ofthe Stars - 1483 Words

THE LIFE CYCLE OF THE STARS The Life Cycle of the Stars SCI 350 January 12, 2006 Abstract Stars come in many definitions and in many forms today, there are Rock Stars, Movie Stars, There is even star shaped cereal for children but the most important stars we have our in our solar system. Lets look at the stars in the sky and space their origins of birth there attributes of life and there accolades in death. The Life Cycle of the Stars To discover the stars origin we look for its definition in Merriam Webster s Dictionary and we find almost an entire galaxy of definitions. Star 56 entries found for star. The first 2 are listed below. Main Entry: 1star Pronunciation: stà ¤r Function: noun Usage: often attributive†¦show more content†¦The Low mass stars spend there main life as a fusion machine which turns hydrogen into helium and a very slow and methodical pace. When the energy released by this fusion reaches the surface it is released into space and this is the star luminosity. Over a long, long time sometimes billions of years a low mass star consumes the hydrogen in its core and converts it to helium, at which point the core starts to contract and shrink. Once all of the hydrogen inside the stars core begins to become totally exhausted, the core pressure gives way to the crush of gravity because it has no more fusion occurring in its core at that time. As the core shrinks rapidly and the outer layers start to expand the stars shape begins to grow in size and its luminosity becomes extraordinary brighter due to the outer shell starting to produce fusion more rapidly then the core did during the main sequence life of the star. As this situation grows more ra pidly and extreme the core starts to rapidly burn again and fuse its core helium into carbon. Then just before its final death the star ejects its outer layers into space. This leaves only the degenerate carbon core and since this core is still very hot it emits intensely powerful ultraviolet radiation and glows brightly in what is known as a planetary nebula. The nebula fades and cools over around a million or so years and we are left with a white dwarf cooling indefinitely tillShow MoreRelatedDiscipline of Teams6502 Words   |  27 Pagestogether Jon R. Katzenbach is a founder and senior partner of Katzenbach Partners, a strategic and organizational consulting firm, and a former director of McKinsey Company. His most recent book is Why Pride Matters More Than Money: The Power ofthe Worlds Greatest Motivational Force (Crown Business, 2003). Douglas K. Smith is an organizational consultant and a former partner at McKinsey Company. 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