EBK ESSENTIAL COSMIC PERSPECTIVE, THE
8th Edition
ISBN: 9780134532417
Author: Voit
Publisher: YUZU
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Chapter 17, Problem 53EAP
New Ideas in Inflation. The idea of inflation solves many of the puzzles associated with the standard Big Bang theory, but we are still a long way from confirming that inflation really occurred. Find recent articles that discuss some ideas about inflation and how we might test these ideas. Write a two- to three-page summary of your findings.
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Hubble's First Attempt. Edwin Hubble's first attempt to measure the universe's expansion rate was flawed because the standard candles he was using were not properly calibrated. Look at (Figure 1)
a.Estimate the value of Ho corresponding to the solid line in the figure. Express your answer kilometers per second per million light-years to two significant figures.
b.What is the approximate age of the universe indicated by that erroneous value of Ho? Express your answer in years to one significant figure.
State three pieces of evidence that support the idea that the Universe began in a hot Big Bang, and explain how each piece of evidence supports the hot Big Bang model. Describe the ob- servational evidence that supports the idea that the Universe is pervaded by Dark Energy, and explain why each piece of evidence you cite supports the Dark Energy model.
Hubble's law. Hubble found that distant galaxies are receding with a velocity proportional to their distance from where we are on Earth. For the ith Galaxy, vi=H0ri
With us at the origin. Show that this recession of the galaxies from us does not imply that we are at the center of the universe. Specifically, take the Galaxy at r1 as a New origin and show that Hubble's law is still obeyed.
Chapter 17 Solutions
EBK ESSENTIAL COSMIC PERSPECTIVE, THE
Ch. 17 - Prob. 1VSCCh. 17 - Prob. 2VSCCh. 17 - Prob. 3VSCCh. 17 - Prob. 1EAPCh. 17 - 2. What is antimatter? How were...Ch. 17 - Prob. 3EAPCh. 17 - Prob. 4EAPCh. 17 - Prob. 5EAPCh. 17 - Prob. 6EAPCh. 17 - Prob. 7EAP
Ch. 17 - Prob. 8EAPCh. 17 - Prob. 9EAPCh. 17 - Prob. 10EAPCh. 17 - Prob. 11EAPCh. 17 - Prob. 12EAPCh. 17 - Describe three key questions about the universe...Ch. 17 - Prob. 14EAPCh. 17 - Prob. 15EAPCh. 17 - Prob. 16EAPCh. 17 - Prob. 17EAPCh. 17 - Prob. 18EAPCh. 17 - Prob. 19EAPCh. 17 - Prob. 20EAPCh. 17 - Prob. 21EAPCh. 17 - Prob. 22EAPCh. 17 - Prob. 23EAPCh. 17 - Prob. 24EAPCh. 17 - Prob. 25EAPCh. 17 - Prob. 26EAPCh. 17 - Prob. 27EAPCh. 17 - Prob. 28EAPCh. 17 - Prob. 29EAPCh. 17 - Prob. 30EAPCh. 17 - Prob. 31EAPCh. 17 - Prob. 32EAPCh. 17 - Prob. 33EAPCh. 17 - Prob. 34EAPCh. 17 - Prob. 35EAPCh. 17 - Unanswered Questions. Briefly describe one...Ch. 17 - Prob. 37EAPCh. 17 - Prob. 38EAPCh. 17 - Prob. 39EAPCh. 17 - Prob. 40EAPCh. 17 - Re-creating the Big Bang. Particle accelerators on...Ch. 17 - Prob. 42EAPCh. 17 - Prob. 43EAPCh. 17 - Prob. 44EAPCh. 17 - Prob. 45EAPCh. 17 - 46. Energy from Antimatter. The total annual U.S....Ch. 17 - Prob. 47EAPCh. 17 - Uniformity of the Cosmic Microwave Background. The...Ch. 17 - Prob. 49EAPCh. 17 - Prob. 50EAPCh. 17 - The Big Bang. How convincing do you find the...Ch. 17 - Prob. 52EAPCh. 17 - New Ideas in Inflation. The idea of inflation...
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- Read the Blitzer Bonus attached herewith. The future is now: You have the opportunity to explore the cosmos in a starship traveling near the speed of light. The experience will enable you to understand the mysteries of the universe in deeply personal ways, transporting you to unimagined levels of knowing and being. The downside: You return from your two-year journey to a futuristic world in which friends and loved ones are long gone. Do you explore space or stay here on Earth? What are the reasons for your choice?arrow_forwardDescribe what is meant by Olbers’ paradox. Explain how it is solved by our modern understanding of the Universe.arrow_forwardQuestion A7 State three pieces of evidence that support the idea that the Universe began in a hot Big Bang, and explain how each piece of evidence supports the hot Big Bang model. Describe the ob- servational evidence that supports the idea that the Universe is pervaded by Dark Energy, and explain why each piece of evidence you cite supports the Dark Energy model.arrow_forward
- I'm having trouble understanding this. Suppose we have a spaceship about the size of a typical ocean cruise ship today, which means it has a mass of about 130 million kilograms, and we want to accelerate the ship to a speed of 12 % of the speed of light. Suppose you want to generate the energy to get it to cruising speed using matter-antimatter annihilation. How much antimatter would you need to produce and take on the ship? Express your answer using two significant figures.arrow_forwardWhat is a Worm Hole? How can we travel into the Worm Hole?arrow_forwardDescribe the Big Bang Theory. Include A) what it is, B)what happened , and C) at least three lines of evidence to support it.arrow_forward
- What is cosmic infalation ? Explain it.arrow_forwardSuppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2. In this case, A. Galaxy 1 must be twice as big as Galaxy 2. B. we are seeing Galaxy 1 as it looked at an earlier time in the history of the universe than Galaxy 2. C. we are seeing Galaxy 1 as it looked at a later time in the history of the universe than Galaxy 2. D. Galaxy 2 must be twice as old as Galaxy 1.arrow_forwardWhat is dark energy? What makes it different from other forms of energy and how do we know it exists?arrow_forward
- Define Unification, and why scientists are striving for the unification of all forces? ilac dacariba in sandardmodal and a ha.arrow_forwardWhat about the nature of our universe, and How do we get to study quarks and such, if they don't exist freely now.arrow_forwardYour friends are talking about Olber's Paradox: Friend 1: When the universe was quite young, it was also quite small, and therefore light was trapped inside the universe. This is why we don't see light from the edge of the universe in every direction. Friend 2: No, Olber's Paradox describes only light from stars, not from galaxies, and why you can't use light from distant stars to see at night. Friend 3: You're both right and you're both wrong. The paradox concerns itself with the expansion of the universe, and explains why light from the early universe was able to be released. Are any of them right, in part or in whole?arrow_forward
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