COMS.PERS.SOLAR SYSTEM ASTR 2 PKG
COMS.PERS.SOLAR SYSTEM ASTR 2 PKG
18th Edition
ISBN: 9781323925874
Author: Bennett
Publisher: Pearson Custom Publishing
Question
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Chapter 17, Problem 1VSC
To determine

What will the Sun’s luminosity be during the subgiant stag?

Expert Solution & Answer
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Answer to Problem 1VSC

Solution:

10 Solar unit.

Explanation of Solution

Introduction:

Sub giant is the phase where star appears more brighter than the normal sub sequence star in the same spectral class.

In the H-R diagram shown in the figure luminosity corresponding to Sun’s subgiant stage is 10 Solar unit.

Hence, approximate luminosity corresponding to subgiant stage is 10 solar unit.

Conclusion:

Observing the H-R diagram shown the luminosity corresponding to subgiant stage is 10 solar unit.

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