Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 26, Problem 11CC
To determine
To explain: The way in which the structure formation in the early universe provides clues for the nature of dark matter.
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Chapter 26 Solutions
Universe
Ch. 26 - Prob. 1CCCh. 26 - Prob. 2CCCh. 26 - Prob. 3CCCh. 26 - Prob. 4CCCh. 26 - Prob. 5CCCh. 26 - Prob. 6CCCh. 26 - Prob. 7CCCh. 26 - Prob. 8CCCh. 26 - Prob. 9CCCh. 26 - Prob. 10CC
Ch. 26 - Prob. 11CCCh. 26 - Prob. 12CCCh. 26 - Prob. 1QCh. 26 - Prob. 2QCh. 26 - Prob. 3QCh. 26 - Prob. 4QCh. 26 - Prob. 6QCh. 26 - Prob. 7QCh. 26 - Prob. 8QCh. 26 - Prob. 9QCh. 26 - Prob. 10QCh. 26 - Prob. 11QCh. 26 - Prob. 12QCh. 26 - Prob. 13QCh. 26 - Prob. 14QCh. 26 - Prob. 15QCh. 26 - Prob. 16QCh. 26 - Prob. 17QCh. 26 - Prob. 18QCh. 26 - Prob. 19QCh. 26 - Prob. 20QCh. 26 - Prob. 21QCh. 26 - Prob. 22QCh. 26 - Prob. 23QCh. 26 - Prob. 24QCh. 26 - Prob. 25QCh. 26 - Prob. 26QCh. 26 - Prob. 27QCh. 26 - Prob. 28QCh. 26 - Prob. 29QCh. 26 - Prob. 30QCh. 26 - Prob. 31QCh. 26 - Prob. 32QCh. 26 - Prob. 33QCh. 26 - Prob. 34QCh. 26 - Prob. 35QCh. 26 - Prob. 36QCh. 26 - Prob. 37QCh. 26 - Prob. 38QCh. 26 - Prob. 39QCh. 26 - Prob. 40QCh. 26 - Prob. 41QCh. 26 - Prob. 42QCh. 26 - Prob. 43QCh. 26 - Prob. 44QCh. 26 - Prob. 45QCh. 26 - Prob. 46QCh. 26 - Prob. 47Q
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- What is dark energy and what evidence do astronomers have that it is an important component of the universe?arrow_forwardWhy cant an open universe have a center? How can a closed universe not have a center?arrow_forwardSuppose the stars in an elliptical galaxy all formed within a few million years shortly after the universe began. Suppose these stars have a range of masses, just as the stars in our own galaxy do. How would the color of the elliptical change over the next several billion years? How would its luminosity change? Why?arrow_forward
- What percentage of matter is ordinary matter? What percentage is dark matter? What makes up the rest of the Universes density?arrow_forwardWhat does the term Hubble time mean in cosmology, and what is the current best calculation for the Hubble time?arrow_forwardHow are distant (young) galaxies different from the galaxies that we see in the universe today?arrow_forward
- What evidence shows that the Universe is expanding? What evidence shows that the Universe began with a Big Bang?arrow_forwardHow does the darkness of the night sky tell you something important about the age and size of the observable universe?arrow_forwardWhat is the evidence that star formation began when the universe was only a few hundred million years old?arrow_forward
- Explain the Higher-Order Systems?arrow_forwardWe didn't specifically discuss this in class but the first stars to form from the cosmic microwave background were: O much less bright than modern stars because they formed during the cosmic dark ages composed of hydrogen, helium, and dark matter much larger than our Sun and hundreds of times as massive able to live for several billion years MacBook Airarrow_forwardWhat is the strongest piece of evidence for the existence of dark matter? As stars die, they transition to either a supergiant star or a white dwarf There is a 2.7 K background radiation that permeates the entire universe The rate of expansion of the universe is increasing The orbital speed of stars near the edge of galaxies is nearly the same as stars close to the center of the galaxyarrow_forward
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