Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 12.7, Problem 9SC
To determine
The basic unit of the universe.
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21. Which of the following represents the notion that our observable Universe may be a part of a much larger whole?
a.
Big Bang Nucleosynthesis.
b.
Solar System.
c.
Galaxy.
d.
Multiverse.
How big is the universe
Which statement below does not fit the model of the big bang and the subsequent changes in the universe?
A) the universe was denser previously than it is now.
B) the universe was hotter previously than it is now .
C) the galaxies are moving closer together as time progresses.
D) the universe is continuing to expand, even after the big bang.
Chapter 12 Solutions
Integrated Science
Ch. 12.1 - Stars twinkle and planets do not twinkle because...Ch. 12.6 - Prob. 2SCCh. 12.6 - Prob. 3SCCh. 12.6 - Prob. 4SCCh. 12.6 - Prob. 5SCCh. 12.6 - Prob. 6SCCh. 12.6 - Prob. 7SCCh. 12.6 - Prob. 8SCCh. 12.7 - Prob. 9SCCh. 12.7 - Prob. 10SC
Ch. 12.7 - Prob. 11SCCh. 12.7 - Prob. 12SCCh. 12 - What is a light-year, and how is it defined?Ch. 12 - Prob. 2CQCh. 12 - Prob. 3CQCh. 12 - What is the Hertzsprung-Russell diagram?Ch. 12 - Prob. 5CQCh. 12 - Prob. 6CQCh. 12 - Prob. 7CQCh. 12 - Prob. 8CQCh. 12 - Prob. 9CQCh. 12 - Prob. 10CQCh. 12 - Prob. 11CQCh. 12 - Prob. 12CQCh. 12 - Prob. 13CQCh. 12 - Prob. 14CQCh. 12 - Prob. 15CQCh. 12 - Prob. 16CQCh. 12 - Prob. 17CQCh. 12 - Prob. 18CQCh. 12 - Prob. 19CQCh. 12 - Prob. 20CQCh. 12 - Prob. 21CQCh. 12 - Prob. 22CQCh. 12 - Analyze when apparent magnitude is a better scale...Ch. 12 - Prob. 24CQCh. 12 - Prob. 25CQCh. 12 - Prob. 1PEACh. 12 - Prob. 2PEACh. 12 - Prob. 3PEACh. 12 - Prob. 4PEACh. 12 - Prob. 5PEACh. 12 - Prob. 6PEACh. 12 - Prob. 7PEACh. 12 - Prob. 8PEACh. 12 - Prob. 9PEACh. 12 - Prob. 10PEACh. 12 - Prob. 11PEACh. 12 - Prob. 1PEBCh. 12 - Prob. 2PEBCh. 12 - Prob. 3PEBCh. 12 - Prob. 4PEBCh. 12 - Prob. 5PEBCh. 12 - Prob. 6PEBCh. 12 - Prob. 7PEBCh. 12 - Prob. 8PEBCh. 12 - Prob. 9PEBCh. 12 - Prob. 10PEBCh. 12 - Prob. 11PEB
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- ___ is the study of the universe. (Intro)arrow_forwardSince the time of Copernicus, each revolution in astronomy has moved humans farther from the center of the universe. Now it appears that we may not even be made of the most common form of matter. Trace the changes in scientific thought about the central nature of Earth, the Sun, and our Galaxy on a cosmic scale. Explain how the notion that most of the universe is made of dark matter continues this “Copernican tradition.”arrow_forwardA typical galaxy is shown on the first page of the Universe Bowl on the inside cover of the printed book. Express the number of stars in this typical galaxy in scientific notation.arrow_forward
- The time of the Cambrian explosion is listed on the second page of the Universe Bowl on the inside cover of the printed book. Express that time in scientific notation.arrow_forwardCalculate the number of seconds in a year (365 days). Express your answer in standard exponential notation, with three significant figures.arrow_forwardhow everything in the universe come to exist? list the different theories on the origin of the universe and the origin of the solar system please help need ASAParrow_forward
- Another way of explaining a word is to enumerate the different parts of which it ismade: “X consists of Y and Z”. Define the following words in this way.Solar system, a telescope, galaxy, binary system, open clusterarrow_forwardWhat possible evidence do we have for the existence of "dark energy"? a. It blocks our view of distant parts of the universe b. The universe contains more light than has ever been emitted by stars. c. Expansion seems to be accelerating d. We see the cosmic background radiation in all directions e. All of the abovearrow_forwardThe diameter of our disk-shaped galaxy, the Milky Way, is about 1.0×105light-years. The distance to the Andromeda galaxy, which is the spiral galaxynearest to the Milky Way, is about 2.5 million light-years. If a scale modelrepresents the Milky Way and Andromeda galaxies as dinner plates 20 cm indiameter, determine the distance between the centers of the two plates.arrow_forward
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