Universe
Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 16, Problem 11Q

(a)

To determine

An estimate for the amount of hydrogen (in kilograms) consumed by the Sun over the past 4.56 billion years. Also, find the amount of the Sun’s mass which is lost as a result of this. Consider that the luminosity of the Sun remains constant.

(b)

To determine

Whether the result obtained in the previous subpart is an overestimate or an underestimate, considering that when the formation of the Sun occurred, its luminosity was about 70% of its present value.

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