Task 10: The Fate of the Universe
In Science, the ultimate fate of the universe is a subject of study in the field of Cosmology. Scientific theories basically say that either the universe will exist forever, or it will cease to exist at some time.
In Religion, Eschatology is a part of theology concerned with the final events in the history of the world or the ultimate fate of human kind, commonly phrased as either the "end of the world" or the "end of times".
The fate of the universe according to science:
Part A: The Big Bang Theory is usually considered to be the "standard" cosmological model. The "Big Bang" is used both in a narrow sense to refer to a point in time when the observed expansion of the universe began, and in a more general sense to refer to the prevailing cosmological paradigm explaining the origin and expansion of the universe.
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This task shows you how energy is important to the future of the universe. Use this Big Bang Theory webpage to answer the following questions.
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- Who was the first to propose that the universe began with the "explosion of a primeval atom" and in what year was it proposed?
- Who provided observational evidence that the universe was expanding, and in what year was it provided?
- Who gave the theory the name "Big Bang", and in what year did he do it?
- What 1965 discovery caused the Big Bang Theory to be regarded as the best theory of the origin and evolution of the cosmos?
- What technology advancement in the 1990s and early 21st century caused huge advances in Big Bang cosmology?
- Based on measurements of the expansion of the universe, what is the measured age of the universe?
- Temperatures and pressures were very high in the early universe. As it expanded and cooled, the universe went through many phase transitions, analogous to the condensation of steam. According to the theory, how many years after the Big Bang did hydrogen atoms form?
- According to the theory, what is the most dominant form of matter in the universe today?
- According to the theory, approximately 70% of the total energy density of today's universe is in what form?
- A combination of observations and theory suggest that the first galaxies formed how many years after the Big Bang?
- A number of problems have arisen within the Big Bang Theory throughout its history. What two things have resolved most of them?
- In general, the universe can have three different kinds of geometries; hyperbolic geometry, Euclidean geometry, or elliptic geometry. What determines the geometry of the universe?
- What observations during the 1970s and 1980s lead to the idea that most of the matter in the universe is "dark matter"?
- Detailed measurements of the mass density of the universe in the 1990s revealed a value that was only 30% of what was expected. What type of energy makes up the missing 70%?
- Several religions embrace, or at least don't dispute, the Big Bang. The Roman Catholic Church in particular, interprets it to allow for a philosophical "first cause". Which Pope was an enthusiastic proponent of the Big Bang even before the theory was scientifically wall established?
Part B: The Big Crunch is a hypothesized collapse of the universe upon itself after its eventual stoppage of expansion - a counterpart to the Big Bang.
- The Big Crunch is only a "possibility". What condition must exist to stop, an then reverse the expansion of the universe?
- Why is it meaningless to ask what would happen after the Big Crunch?
- If the overall spatial curvature of the universe is negative, its shape is like a saddle. If the overall spatial curvature of the universe is zero, its shape is flat. What is the shape of the universe if its overall spatial curvature is positive?
- The three shapes or models in the last questions have a name, what is it?
- A well-resolved mapping of the cosmic microwave background has provided widely accepted evidence about the motion of the universe. What does this evidence show?
- Does the evidence mentioned in the previous questions mean the Big Crunch is impossible?
- Mathematically, how far in the future will the Big Crunch occur?
- The Big Crunch is referred to by some as Gnab Gib. What does that mean?
Part C: The Steady State Theory was developed as a "non-standard" cosmological model. The Steady State Theory asserts that although the universe is expanding, it nevertheless does not change its look over time.
- What is another name for the Steady State Theory?
- In what year was the Steady State Model developed?
- The theory is the basis for another theory known as the Quasi-Steady State Theory. What does this second theory postulate?
- Although the Steady State Theory lost support in the late 1960s, it is still an important theory. What is the key importance of the theory.?
- What does Einstein's theory of general relativity say about a static universe?
- What must occur for the Steady State Theory to work?
- Although the Steady State Theory has a number of attractive features, it violates a widely accepted physical law. What law does it violate?
- What discovery in 1965 refuted the Steady State Theory for most cosmologists?
Part D: Panspermia is not a mainstream theory. It is a hypothesis proposing one way life may have started on Earth.
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Use this Panspermia webpage to answer the following questions.
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- Use one sentence to state the theory of Panspermia.
- How does Exogenesis differ from Panspermia?
- What type of evidence is there to support Panspermia?
- What are extremophiles?
- What planet shows evidence of having once had liquid water?
- What moon in the solar system shows evidence of having water oceans?
- What do the letters SETI stand for?
- One of the objections to both panspermia and exogenesis is that carbon, nitrogen, and oxygen have not been observed in sufficient densities and temperatures for chemical reactions between them to occur - except on earth. What is needed to create the elements C, N, and O?
- Use one sentence to state Occam's Razor.
- What is directed panspermia?
Part E: The fate of the universe according to religion:
In many religions, the end of the world is a future event prophesied in sacred texts or folklore. More broadly, eschatology may encompass related concepts such as the messiah, the afterlife, and the soul.
Most religions have doctrines teaching that "worthy" members of the faith will be "delivered" from the coming judgement and wrath of God.
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Use this Eschatology webpage to answer the following questions.
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- At the time of the Budda, he apparently predicted that his teaching would disappear after 500 years. The span of time was expanded during the Middle Ages. What was it expanded to?
- What do Buddhists generally believe about creation?
- During the second century, what reason did Justin Martyr propose for God delaying the end of the world?
- Hinduism states that the world shall fall into chaos and degradation, followed by the appearance of the Kalki Avatar. What will happen then?
- Islam describes a natural disaster in which the ground will cave in and fog or smoke will cover the skies. How long will the fog or smoke last?
- What is said to follow the fog?
- Islam states that the "Imam" will teach simple living and high thinking. What will he establish?
- In Judaism, one of the sages of the Talmud says he does not want to live to see the end of days come. What reason does he give?
- How long does the Talmud say the world as we know it will exist?
- According to the Jewish calendar, the year 2005 equals how many years since the Creation?
- Using calculations based on the Jewish calendar, in what year will the end of days occur?
- The Hopi American Indian Tribe has prophecies of the signals of the end times. They also predict the return of the "True White Brother". What will he usher in?
- The Mayans believe that Earth would be destroyed by several catastrophies and civilizations would then collapse. What will happen then?
- The current Mayan calendar cycle ends in 2012. What is the significance of this?
- According to a Sioux medicine man, disasters will descend over the tribe. A "white buffalo calf woman" will then purify the world, bringing back harmony and spiritual balance. What occured in 1994 and 1995 that caused many tribal leaders to feel the prophecy is being fulfilled?
- According to Norse mythology, Ragnarok is a battle during the end of the world. What will happen to the universe during this war?
- Zoroastrianism eschatology is the oldest eschatology in recorded history. What was the Zoroastrian concept of the end of the world in 500 B.C.?
- According to Zoroastrian philosophy, what will happen to the word after the battle between the righteous and wicked?
Conclusion to the WebQuest:
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Write an essay of sufficient length to answer this question: "Where did we come from?" and "Where are we going?" (treat each question separately in the essay).
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NOTE: This must be included in the essay introduction:
- Create a thesis statement appropriate for the essay. The thesis statement cannot be a question.
NOTE: This must be included in the essay body:
- Choose what you judge to be key WebQuest research information to support your answer to the WebQuest questions.
NOTE: This must be included in essay conclusion:
- Restate your position on each WebQuest question, along with the major reasons for those positions.
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