The Cosmic Perspective Fundamentals (2nd Edition)
2nd Edition
ISBN: 9780133889567
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 14SEQ
Explain all answers clearly, with complete sentences and proper essay structure if needed. An asterisk (*) designates a quantitative problem, for which you should show all your work.
Future of the Milky Way. Describe in one or two paragraph how the Milky Way would look from the outside if you could watch it for the next 100 billion years. How would its appearance change during this time?
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Think of our Milky Way Galaxy as a flat circular disk of diameter 100,000 light-years. Suppose we are one of 1000 civilizations, randomly distributed through the disk, interested in communicating via radio waves. How far away in light years would the nearest such civilization be from us on average? Show your working. (Hint: Begin by calculating the area of the disk. Find the area of one of a 1,000 squares. Consider the separation of the centres of two adjacent squares.)
Chapter 11 Solutions
The Cosmic Perspective Fundamentals (2nd Edition)
Ch. 11 - Choose the best answer to each of the following....Ch. 11 - Prob. 2QQCh. 11 - Prob. 3QQCh. 11 - Prob. 4QQCh. 11 - Choose the best answer to each of the following....Ch. 11 - Prob. 6QQCh. 11 - Choose the best answer to each of the following....Ch. 11 - Prob. 8QQCh. 11 - Choose the best answer to each of the following....Ch. 11 - Choose the best answer to each of the following....
Ch. 11 - Choose the best answer to each of the following....Ch. 11 - Choose the best answer to each of the following....Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...Ch. 11 - Explain all answers clearly, with complete...
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