ASTRONOMY: BEGINNER'S GUIDE TO UNIV
ASTRONOMY: BEGINNER'S GUIDE TO UNIV
8th Edition
ISBN: 9780135941942
Author: Chaisson
Publisher: PEARSON
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Concept explainers

Question
Chapter 13, Problem 1RD
To determine

The properties of neutron stars generated during its formation.

Expert Solution & Answer
Check Mark

Answer to Problem 1RD

The high density, rotation and magnetic field are the result of collapsed core.

Explanation of Solution

A neutron star is collapsed core of a giant star. The neutron stars are composed of neutrons with zero electrical charge. The collapse and shock wave that propagates in the core gives them high density. The magnetic field is confined by the gas in the core and thus, field is increased when it contracts. Their magnetic fields are 108 to 1015 times higher than the earth’s field.

As the core collapses, its rotation speed increases as a result of the conservation of angular momentum. Thus, the newly formed stars rotate faster. The temperature of a newly formed star is found to be around 1012K.

Conclusion:

The high density, rotation and magnetic field are the result of collapsed core.

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