Cosmic Perspective Fundamentals
3rd Edition
ISBN: 9780134988504
Author: Bennett, Jeffrey O., Donahue, M. (megan), SCHNEIDER, Nicholas, Voit, Mark
Publisher: Pearson,
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Textbook Question
Chapter 1, Problem 5QQ
Choose the best answer to each of the following. Explain your reasoning.
Could we see a galaxy that is 50 billion light-years away? (a) Yes, if we had a big enough telescope. (b) No, because it would be beyond the bounds of our observable universe. (c) No, because a galaxy could not possibly be that far away.
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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.)
Hello, part D was incorrect, and where does the six come from?? I confused on reading the graph
PLEASE be clear in your answer since the last time I posted was incorrect, and only answer part b, thanks.
Chapter 1 Solutions
Cosmic Perspective Fundamentals
Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....
Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Choose the best answer to each of the following....Ch. 1 - Explain all answers clearly, using complete...Ch. 1 - Explain all answers clearly, using complete...Ch. 1 - Explain all answers clearly, using complete...Ch. 1 - Explain all answers clearly, using complete...Ch. 1 - Explain all answers clearly, using complete...Ch. 1 - Prob. 18SEQCh. 1 - Explain all answers clearly, using complete...Ch. 1 - Explain all answers clearly, using complete...Ch. 1 - Explain all answers clearly, using complete...Ch. 1 - Explain all answers clearly, using complete...
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