ESSEN.COSMIC PERSPECTIVE W/MASTAST >IC
ESSEN.COSMIC PERSPECTIVE W/MASTAST >IC
2nd Edition
ISBN: 9781269945066
Author: Bennett
Publisher: PEARSON C
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Concept explainers

Question
Chapter 16, Problem 1VSC
To determine

The technique that used to measure the distance 10 million light-years away.

Expert Solution & Answer
Check Mark

Answer to Problem 1VSC

Solution:

Cepheid variable stars technique is used to measure a distance of 10 million light-years.

Explanation of Solution

Introduction:

An effective technique is used to measure a large distance between astronomical objects.

Cepheid variables stars are extremely luminous and can be observed and measured at a large distance. There is a definite relation between the period and luminosity of Cepheid variables. With the help of period-luminosity relation to large distance such as between galaxies can be found.

Conclusion:

Cepheid variables stars radiate pulses. On the bases of the luminosity of cephids, we can measure the distance between an object which is at a distance of 10 million light-years.

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Chapter 16 Solutions

ESSEN.COSMIC PERSPECTIVE W/MASTAST >IC

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