Physical Science (12th Edition), Standalone Book
Physical Science (12th Edition), Standalone Book
12th Edition
ISBN: 9781260150544
Author: Bill W. Tillery
Publisher: McGraw Hill Education
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Chapter 14, Problem 1AC

A referent system that can be used to locate objects in the sky is the

a. celestial globe.

b. celestial coordinates.

c. celestial sphere.

d. celestial maps.

Expert Solution & Answer
Check Mark
To determine

The referent system that can be used to locate the objects in the sky from the following options:

Celestial globe

Celestial coordinates

Celestial sphere

Celestial maps

Answer to Problem 1AC

Solution:

Option (c) is correct.

Explanation of Solution

Introduction:

Referent system is a system for reference that can be needed in order to locate anything, including astronomical objects or planets, in the skyappropriately. It can be established easily by first considering the sky to be an imaginary ‘celestial sphere’.

Explanation:

Reason for the correct option:

The imaginary sphere of arbitrarily larger radius, with earth located at its center is usually referred as theCelestial sphere. In astronomy, all the objects located in the observer’s sky are assumed as projected upon the inner surface of the celestial sphere. To locate the objects in the sky, an imaginary celestial sphere is thus considered as the referent system.

Hence, option (c) is correct.

Reason for the incorrect option:

Option (a) is incorrect because the celestial globe is basically referred as the representation of constellations and stars as they are located on an apparent sphere in the sky. These globes are used for some astrological or astronomical calculations, and as ornaments. So, it is a wrong answer.

Option (b) is incorrect because celestial coordinates are the set of numbers that are used for reference in order to pinpoint the position of a celestial object in the sky. In astronomy, several different coordinate systems are used to locate the position of an object in the celestial sphere in the sky. So, it is a wrong answer.

Option (d) is incorrect because celestial maps are the representations of astronomical objects located in the sky. The division of grids makes it easier for the astronomers to develop and use the celestial maps in an appropriate manner. Thus, it cannot be used as a referent system. So, it is a wrong answer.

Hence, options (a), (b) and (d) are incorrect.

Conclusion:

The referent system that can be used to locate the objects in the sky is the celestial sphere.

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Chapter 14 Solutions

Physical Science (12th Edition), Standalone Book

Ch. 14 - Prob. 11ACCh. 14 - Prob. 12ACCh. 14 - Prob. 13ACCh. 14 - Prob. 14ACCh. 14 - Prob. 15ACCh. 14 - Prob. 16ACCh. 14 - Prob. 17ACCh. 14 - Prob. 18ACCh. 14 - Prob. 19ACCh. 14 - 20. Stars twinkle and planets do not twinkle...Ch. 14 - 21. How much of the celestial meridian can you...Ch. 14 - Prob. 22ACCh. 14 - Prob. 23ACCh. 14 - Prob. 24ACCh. 14 - Prob. 25ACCh. 14 - Prob. 26ACCh. 14 - Prob. 27ACCh. 14 - Prob. 28ACCh. 14 - Prob. 29ACCh. 14 - Prob. 30ACCh. 14 - Prob. 31ACCh. 14 - Prob. 32ACCh. 14 - Prob. 33ACCh. 14 - Prob. 34ACCh. 14 - Prob. 35ACCh. 14 - Prob. 36ACCh. 14 - Prob. 37ACCh. 14 - Prob. 38ACCh. 14 - Prob. 39ACCh. 14 - Prob. 40ACCh. 14 - Prob. 41ACCh. 14 - Prob. 42ACCh. 14 - Prob. 43ACCh. 14 - Prob. 44ACCh. 14 - Prob. 45ACCh. 14 - 46. Evidence that points to the existence of...Ch. 14 - 47. The name of our galaxy is the a. solar...Ch. 14 - Prob. 48ACCh. 14 - Prob. 49ACCh. 14 - Prob. 50ACCh. 14 - 1. Would you ever observe the Sun to move along...Ch. 14 - Prob. 2QFTCh. 14 - Prob. 3QFTCh. 14 - Prob. 4QFTCh. 14 - Prob. 5QFTCh. 14 - Prob. 6QFTCh. 14 - Prob. 7QFTCh. 14 - Prob. 8QFTCh. 14 - Prob. 9QFTCh. 14 - Prob. 10QFTCh. 14 - Prob. 11QFTCh. 14 - Prob. 12QFTCh. 14 - Prob. 13QFTCh. 14 - Prob. 14QFTCh. 14 - Prob. 15QFTCh. 14 - Prob. 16QFTCh. 14 - Prob. 17QFTCh. 14 - Prob. 18QFTCh. 14 - Prob. 19QFTCh. 14 - Prob. 20QFTCh. 14 - Prob. 21QFTCh. 14 - Prob. 1FFACh. 14 - Prob. 2FFACh. 14 - Prob. 3FFACh. 14 - 4. What is the significance of the...Ch. 14 - Prob. 5FFACh. 14 - Prob. 1IICh. 14 - Prob. 1PEACh. 14 - Prob. 2PEACh. 14 - Prob. 3PEACh. 14 - Prob. 4PEACh. 14 - Prob. 5PEACh. 14 - Prob. 6PEACh. 14 - Prob. 7PEACh. 14 - Prob. 8PEACh. 14 - Prob. 9PEACh. 14 - Prob. 10PEACh. 14 - Prob. 11PEACh. 14 - Prob. 12PEACh. 14 - Prob. 13PEACh. 14 - Prob. 14PEACh. 14 - Prob. 15PEACh. 14 - Prob. 1PEBCh. 14 - Prob. 2PEBCh. 14 - Prob. 3PEBCh. 14 - Prob. 4PEBCh. 14 - Prob. 5PEBCh. 14 - Prob. 6PEBCh. 14 - Prob. 7PEBCh. 14 - Prob. 8PEBCh. 14 - Prob. 9PEBCh. 14 - Prob. 10PEBCh. 14 - Prob. 11PEBCh. 14 - Prob. 12PEBCh. 14 - Prob. 13PEBCh. 14 - Prob. 14PEBCh. 14 - Prob. 15PEB
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