It includes not only the surface process which have shaped the earth s surface, but the study of the ocean floors, and the interior of the earth. Earth science the origin of the universe slideshare. The most important information about composition comes from looking around us. Origin and evolution of earth division on earth and life. Astr 380 the history of the earth the real purpose of stonehenge. Deciphering the planets history and processes could improve the ability to predict catastrophes like earthquakes and volcanoes, to manage earth s resources, and. This is a hard question to avoid in our fueldriven economies. Four and a half billion years ago, the young earth was a hellish placea seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, torrid. The chemistry of meteorites and sun provide constraints on the composition of the bulk of the earth. Chapter 1 introduction hat is the origin of coal and oil. Origin and evolution of earth research questions for a changing planet questions about the origins and nature of earth have long preoccupied human thought and the scientific endeavor. Compare the different hypotheses explaining the origin of the solar system. Specific learning outcomes describe the different hypotheses explaining the origin of the solar system. Since the beginning of civilization, the origins of the earth and moon have been the subjects of continuing interest, speculation, and enquiry.
It is not only the study of the earth as we see it today, but the history of the earth as it has evolved to. Earth developed continents and water perhaps even oceans and environments in which microbial life could emerge 4. Describe the characteristics of earth that are necessary to support life. History the fossil record documents the main events in the. Earth made the origin of life possible colonization of land animals origin of solar. Therefore, it is reasonable to assume that both water and rare gases were at the earth s surface virtually at the time of formation of the earth. Either alone or a combination of these energy sources caused reactions that. Although it is the most studied planet, it cannot be completely understood in isolation. These are also among the most challenging of all scienti. Introduction and origin of the earth geology, what is it. Originofwateronearth watercoversabout75%oftheearthssurface theoriginofwateronearth,orthereasonthatthereis clearlymoreliquidwaterontheearththanontheother. History of earth beginnings earth was believed to be formed about 4.
Sources of water water reached earth by one of two processes. The presence of water on the young earth was confirmed when the zircons were analyzed for oxygen isotopes and the telltale signature of rocks that. Notes origin and evolution of life and introduction to. Genesis and the origin of coal and oil by trevor major, m.
Astr 380 the history of the earth university of maryland. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The crust is a very small fraction of earth s mass, so it is not a very useful indicator of bulk composition. Microsoft powerpoint history of life on earth and classification.
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