The Cosmic Perspective (9th Edition)
9th Edition
ISBN: 9780134874364
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 13, Problem 46EAP
To determine
To Explain: The reason for the existence of many small density extrasolar planets but only one in the solar system.
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Why are we unlikely to find Earth-like planets around halo stars in the Galaxy?
A. Halo stars formed in a different way from disk stars.
B. Planets around stars are known to be extremely rare.
C. Halo stars formed in an environment where there were few heavy elements to create rocky planets.
D. Halo stars do not have enough mass to hold onto planets.
Is the answer C? Since halo stars are formed early when the galaxy consisted of mainly hydrogen and helium, there are no heavier elements available to create Earth-like planets so just halo stars are formed?
Thanks!
In a globular cluster, astronomers (someday) discover a star with the same mass as our Sun, but consisting entirely of hydrogen and helium. Is this star a good place to point our SETI antennas and search for radio signals from an advanced civilization?
Group of answer choices
No, because such a star (and any planets around it) would not have the heavier elements (carbon, nitrogen, oxygen, etc.) that we believe are necessary to start life as we know it.
Yes, because globular clusters are among the closest star clusters to us, so that they would be easy to search for radio signals.
Yes, because we have already found radio signals from another civilization living near a star in a globular cluster.
No, because such a star would most likely not have a stable (main-sequence) stage that is long enough for a technological civilization to develop.
Yes, because such a star is probably old and a technological civilization will have had a long time to evolve and develop there.
Describe the Nebular Theory. Include A) what it is, B)what happened, and C) at least three lines of evidence to support it.
Chapter 13 Solutions
The Cosmic Perspective (9th Edition)
Ch. 13 - Prob. 1VSCCh. 13 - Prob. 2VSCCh. 13 - Prob. 3VSCCh. 13 - Prob. 4VSCCh. 13 - Prob. 5VSCCh. 13 - I. Why are extrasolar planets hard to detect...Ch. 13 - 2. What are the two major approaches to detecting...Ch. 13 - 3. How can gravitational lugs from orbiting...Ch. 13 - Prob. 4EAPCh. 13 - Briefly describe Ihe Doppler method. Summarize the...
Ch. 13 - How does the transit method work’ What was the...Ch. 13 - Prob. 7EAPCh. 13 - Prob. 8EAPCh. 13 - Prob. 9EAPCh. 13 - Prob. 10EAPCh. 13 - Prob. 11EAPCh. 13 - Prob. 12EAPCh. 13 - Prob. 13EAPCh. 13 - Prob. 14EAPCh. 13 - Prob. 15EAPCh. 13 - Prob. 16EAPCh. 13 - Prob. 17EAPCh. 13 - Prob. 18EAPCh. 13 - Prob. 19EAPCh. 13 - Decide whether the statement makes sense lor is...Ch. 13 - Prob. 21EAPCh. 13 - Prob. 22EAPCh. 13 - Prob. 23EAPCh. 13 - Prob. 24EAPCh. 13 - Decide whether the statement makes sense lor is...Ch. 13 - Prob. 26EAPCh. 13 - Prob. 27EAPCh. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - Choose Lhe best ansuter to each of the following....Ch. 13 - When is a Theory Wrong? As discussed in this...Ch. 13 - Prob. 40EAPCh. 13 - Prob. 42EAPCh. 13 - Prob. 43EAPCh. 13 - Comparing Methods. What are the strengths and...Ch. 13 - No Hot Jupiters Here. How do we think hot Jupiters...Ch. 13 - Prob. 46EAPCh. 13 - Prob. 47EAPCh. 13 - Lost in the Glare. This exercise helps you...Ch. 13 - Transit of TrES-1. The planet TrES-1, orbiting a...Ch. 13 - Planet Around 51 Pegasi. The star 51 Pegasi has...Ch. 13 - Identical Planets? Imagine two planets orbiting a...
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Kepler's Three Laws Explained; Author: PhysicsHigh;https://www.youtube.com/watch?v=kyR6EO_RMKE;License: Standard YouTube License, CC-BY