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Hw5 - Assignment Example

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Rare earth hypothesis is a theory that explains the existence of life and its circumstances involved that are both astrophysical and geological. The theory tries to answer questions concerning the complex life that exists only on earth. It is well explained by the geologist…
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Astronomy 123: Last Homework Assignment Rare earth hypothesis is a theory that explains the existence of life and its circumstances involved that are both astrophysical and geological. The theory tries to answer questions concerning the complex life that exists only on earth. It is well explained by the geologist and astronomer, Peter ward and Donald Brownlee respectively. The theory is contrary to the Copernican principle that concludes that the earth is located at a barred spiral galaxy and it’s a typical rock that is at the region of the planetary system. This concludes that the complex life of human beings is not common answering the question to the Fermi paradox. The theory also explains that most of the universe large parts do not support complex life calling the places to be dead zones. The places that support the complex life are known to be the habitat zones for the living creatures.
The habitat zone acts as a primary function having a distance from the galactic center. When the distance between the two places increase, the stars’ content begin to reduce creating terrestrial planets. The dangerous x rays that are produced from the black hole found at the galactic center including the stars of the neutrons and quasars become less intense. This creates hell to the life and enables the hypothesis to identify the early life of the universe. Also, the gravitational that occur between the stars and the planets become less due to the low density caused by the decrease of the stars. This explains that if a planet is far from the galactic center, it is likely to have been hit by a bolide. It is an impact that affects the complex life.
2. The population density for the galaxy proofs to be 50,000 light years. Having 2, 500 civilizations while assuming that they are equally spaced, there separation will be found by dividing the light years by the civilizations. One civilization will proof to have 20 light years.
3. There is compatible function between the humans and the nature itself. In nature, there are a number of circumstances that lead to the human survival. Science and nature has also a new version on the relationship between humans and nature. It proofs that the physical substances that surround human beings are complex. There is also a lot of interdependence between the humans and nature. This begins with the human genes that are able to produce several traits creating a survival. The lives that are on earth have the form of life that is found only at the biosphere that is the membrane of both the plants and animals. On the same note, all the resources like oil are formed due to the heat of volcanic that is experienced under the crust of the earth. Humans have tried to sustain by developing characters that help them to survive. Human beings have the right characteristics to foster sustainability. Human beings are able to adapt to the new change in the environment making them to adapt the new ways of survival. It can be related to the desert plants that adapt the environment by shading down all their leaves in order to keep the little water they absorb from the soil. Some of the characteristics of human beings include adaptation to the climatic changes whenever they are exposed to bad weather. The sharp minds of human beings make them to analyze and detect any danger that may face them.
References
Ward, P. D., & Brownlee, D. (2003). Rare earth: Why complex life is uncommon in the universe. New York: Copernicus. Read More
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