Concept explainers
The radius of protosun.
Answer to Problem 46Q
The radius of the protosun in km when it had a luminosity of
The radius of the protosun in astronomical units when it had a luminosity of
The radius of the protosun as a multiple of the Sun’s present-day radius when it had a luminosity of
Explanation of Solution
Given data:
Luminosity of the protosun =
Surface temperature of the protosun =
Formula used:
Calculation:
Conclusion The radius of the protosun in km when it had a luminosity of
The radius of the protosun in astronomical units when it had a luminosity of
The radius of the protosun as a multiple of the Sun’s present-day radius when it had a luminosity of
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