Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Textbook Question
Chapter 19, Problem 1RQ
What do Widmanst?tten patterns indicate about the history of iron meteorites?
Expert Solution & Answer
To determine
About the history of iron meteorites indicated by Widmanstatten pattern?
Answer to Problem 1RQ
The widmanstatten pattern is also called Thomson structure that contain long nickel iron crystal and Iron meteorites also have iron-nickel that usually consists of kamacite and taenite.
Explanation of Solution
Introduction:
Iron meteorites are originated from the core of planetesimals.
Iron meteorites do not have any stony material in it and it is composed of 20% nickel with a regular bond in it which is called a Widmanstatten pattern. The pattern is in such way that size and shape tell us they are cooled over the period of time from molten metal.
Planetesimal are the objects that combine to form the planets.
Conclusion: Thus,Widmanstatten pattern is the form of study the history of iron meteorites.
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Chapter 19 Solutions
Horizons: Exploring the Universe (MindTap Course List)
Ch. 19 - What do Widmanst?tten patterns indicate about the...Ch. 19 - What do chondrules tell you about the history of...Ch. 19 - Why are there no chondrules in achondritic...Ch. 19 - Why do astronomers refer to carbonaceous...Ch. 19 - Prob. 5RQCh. 19 - Prob. 6RQCh. 19 - Why do astronomers think the asteroids were never...Ch. 19 - Prob. 8RQCh. 19 - What evidence indicates that some asteroids have...Ch. 19 - What evidence indicates that some asteroids have...
Ch. 19 - Prob. 11RQCh. 19 - What is the difference between a gas tail and a...Ch. 19 - Prob. 13RQCh. 19 - What are the hypotheses for how the bodies in the...Ch. 19 - Prob. 15RQCh. 19 - Prob. 1DQCh. 19 - Do you think the government should spend money to...Ch. 19 - Prob. 1PCh. 19 - If a single asteroid 1 km in diameter were to be...Ch. 19 - If a trillion (1012) asteroids, each 1 km in...Ch. 19 - Prob. 4PCh. 19 - What is the maximum angular diameter of the...Ch. 19 - Prob. 6PCh. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - What is the orbital period of a comet nucleus in...Ch. 19 - The mass of an average comet’s nucleus is about...Ch. 19 - Prob. 1LTLCh. 19 - Prob. 2LTLCh. 19 - Prob. 3LTL
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