The Cosmic Perspective: Stars and Galaxies (8th Edition) (Bennett Science & Math Titles)
8th Edition
ISBN: 9780134073828
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 23, Problem 12EAP
Briefly explain why dark matter is thought to have played a major role in the formation of galaxies and larger structures in the universe. What evidence suggests that larger structures are still forming?
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Chapter 23 Solutions
The Cosmic Perspective: Stars and Galaxies (8th Edition) (Bennett Science & Math Titles)
Ch. 23 - Prob. 1VSCCh. 23 - Prob. 2VSCCh. 23 - Prob. 3VSCCh. 23 - Prob. 4VSCCh. 23 - Prob. 1EAPCh. 23 - Prob. 2EAPCh. 23 - Prob. 3EAPCh. 23 - Prob. 4EAPCh. 23 - Prob. 5EAPCh. 23 - Prob. 6EAP
Ch. 23 - Prob. 7EAPCh. 23 - Prob. 8EAPCh. 23 - Prob. 9EAPCh. 23 - Explain what we mean when we say that a neutrino...Ch. 23 - Prob. 11EAPCh. 23 - Briefly explain why dark matter is thought to have...Ch. 23 - What do the large-scale structures of the universe...Ch. 23 - Prob. 14EAPCh. 23 - Prob. 15EAPCh. 23 - Prob. 16EAPCh. 23 - Prob. 17EAPCh. 23 - Prob. 18EAPCh. 23 - Prob. 19EAPCh. 23 - Prob. 20EAPCh. 23 - Prob. 21EAPCh. 23 - Prob. 22EAPCh. 23 - Prob. 23EAPCh. 23 - Prob. 24EAPCh. 23 - Prob. 25EAPCh. 23 - Prob. 26EAPCh. 23 - Prob. 27EAPCh. 23 - Prob. 28EAPCh. 23 - Prob. 29EAPCh. 23 - Prob. 30EAPCh. 23 - Choose the best answer to each of the following....Ch. 23 - Prob. 32EAPCh. 23 - Prob. 33EAPCh. 23 - Prob. 34EAPCh. 23 - Choose the best answer to each of the following....Ch. 23 - Choose the best answer to each of the following....Ch. 23 - Choose the best answer to each of the following....Ch. 23 - Prob. 38EAPCh. 23 - Prob. 39EAPCh. 23 - Prob. 40EAPCh. 23 - Prob. 41EAPCh. 23 - Prob. 42EAPCh. 23 - Prob. 43EAPCh. 23 - Prob. 44EAPCh. 23 - Prob. 45EAPCh. 23 - Prob. 46EAPCh. 23 - Prob. 47EAPCh. 23 - Prob. 48EAPCh. 23 - Prob. 49EAPCh. 23 - Prob. 50EAPCh. 23 - Prob. 51EAPCh. 23 - Be sure to show all calculations dearly and state...Ch. 23 - Prob. 53EAPCh. 23 - Prob. 54EAPCh. 23 - Prob. 55EAPCh. 23 - Prob. 56EAPCh. 23 - Prob. 57EAPCh. 23 - Prob. 58EAPCh. 23 - Prob. 59EAPCh. 23 - Prob. 60EAPCh. 23 - Prob. 61EAP
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- Suppose the universe expands forever. Describe what will become of the radiation from the primeval fireball. What will the future evolution of galaxies be like? Could life as we know it survive forever in such a universe? Why?arrow_forwardOne of the early hypotheses to explain the high redshifts of quasars was that these objects had been ejected at very high speeds from other galaxies. This idea was rejected, because no quasars with large blueshifts have been found. Explain why we would expect to see quasars with both blueshifted and redshifted lines if they were ejected from nearby galaxies.arrow_forwardWhat is the most useful probe of the early evolution of the universe: a giant elliptical galaxy or an irregular galaxy such as the Large Magellanic Cloud? Why?arrow_forward
- What is the difference between hot dark matter and cold dark matter? How does this difference affect cosmology?arrow_forwardBriefly describe the main parts of our Galaxy.arrow_forwardDescribe the evolution of an elliptical galaxy. How does the evolution of a spiral galaxy differ from that of an elliptical?arrow_forward
- Describe two properties of the universe that are not explained by the standard Big Bang model (without inflation). How does inflation explain these two properties?arrow_forwardExplain what the mass-to-light ratio is and why it is smaller in spiral galaxies with regions of star formation than in elliptical galaxies.arrow_forwardAstronomers have been making maps by observing a slice of the universe and seeing where the galaxies lie within that slice. If the universe is isotropic and homogeneous, why do they need more than one slice? Suppose they now want to make each slice extend farther into the universe. What do they need to do?arrow_forward
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