SOLAR SYSTEM About 5 Billion years ago‚ y There was no Sun‚ no Earth& no Moon y Only cosmic dust and gasses drifted in the darkness of space SOLAR SYSTEM THEORY The solar system was formed by a slowly spinning cloud of gas and cosmic dust‚ gradually the cloud began to spin faster and faster this formed a large spinning whirl at the centre and smaller whirls surrounding it at various distances. SOLAR SYSTEM THEORY The huge and heavy centre became hot enough to start thermo nuclear
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in the past. Scottish geologist James Hutton’s observation is that the physical process occurring on Earth have not changed‚ but the physical conditions have. Murck‚ B. W.‚ Skinner‚ B. J.‚ Mackenzie‚ D.‚ & National Geographic Society (U.S.). (2008). Earth as a Planet. In Visualizing geology (p. 1.3 The Ever Changing Earth). Hoboken‚ NJ: Wiley. 4.) In this chapter‚ we have suggested that Earth is a close approximation of a natural closed system‚ and we have hinted at some of the ways that living
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about how human kind came to be on Earth. In the Judeo-Christian myth‚ God created the Earth first then he created water‚ the sun‚ and the plants and animals. Once everything was created‚ God said‚ “Let us make man in our image‚ after our likeness” (53). When God wanted something created it appeared; no growth or development was necessary. Man was placed on Earth from above. In the Native American creation myths it was not as simple for humankind to come to be on Earth. “They (humans) were living in
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Scientists believe that earth was hit by an asteroid that was over six miles wide‚ or that earth was hit by a comet travelling 18 miles per second. They contemplate that when the asteroid hit earth’s surface‚ a great amount of debris and sulfur rose into the air. They believe that this blocked the suns light from hitting the earth. In result‚ all the dinosaurs and 70 percent of all animals and plants died (“What Killed the Dinosaurs"). Scientists have backed up their theory that earth was hit by an asteroid
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Ecology 2:30-5:30 The Gaia Hypothesis A Goddess of the earth: "The Gaia hypothesis says that the temperature‚ oxidation state‚ acidity‚ and certain aspects of the rocks and waters are kept constant‚ and that this homeostasis is maintained by active feedback processes operated automatically and unconsciously by the biota." - James Lovelock‚ The Ages of Gaia It often seems obvious that life on earth lives at the mercy of powerful non-biological forces like
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of the universe and announce his discovery. Aristarchus‚ by observing the moon during a lunar eclipse‚ and estimating the angles between the Earth‚ Moon and Sun‚ as well as the size of the earth‚ was also one of the first astronomers to calculate the relative sizes of the Sun‚ Moon and Earth. Other astronomers before Aristarchus assumed that the Earth is a sphere and that it moves‚ but he was the first to explicitly formulate the heliocentric theory‚ the model which has the Sun in the centre
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been blamed for causing global warming. Global warming‚ however‚ can be caused by natural effects. One reason is that the earth is constantly going through periods of warming and cooling. Second the two most abundant greenhouse gases water vapor‚ and carbon dioxide both occur naturally. Third the earth is not the only planet that has had a change in temperature over the past few years‚ other planets have also had changing
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near Canada and Alaska. It tells how Asintmah was the first woman and how she built a loom and wove together the blanket of the earth. She was walking in the forest when everything became still. At this moment‚ she knew that the first humans had been born. The story ends by explaining that the Athapascan people remember the one who gave them life‚ and takes care of the Earth to thank her. Oannes the Fish was a creature the Babylonians believed had two heads and the feet like a man’s. He would come
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collision with the Earth great enough to cause an extinction. Potential and kinetic energy are also involved in this. These forces and more such as‚ gravity‚ momentum‚ friction and more that we now know about can help us understand our history‚ create more inventions‚ and more. These forces can impact us by us knowing more about what happened when the dinosaurs went extinct‚ possibly causing us to know how to stop it from happening again. In the geologic time the dinosaurs ruled the Earth was approximately
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the majority of Americans have made the decision that global warming is in fact true. But what Americans are not exposed is the scientist that claim climate change is part of Earth ’s cycle‚ and that it right on schedule. The IPCC found that the amount of CO2 in the atmosphere is causing the rise in temperature on Earth. This‚ in effect‚ is causing polar ice caps to melt‚ flooding Ocean ’s with fresh water. The IPCC says that the flood of freshwater in the Ocean is causing weather patterns to
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