Answered: Star A and Star B are both on the main…

Star A and Star B are both on the main sequence. Star A is 74 times more luminous than Star B. What is the ratio of their main-sequence lifetimes?

Stars and Galaxies (MindTap Course List)

10th Edition

ISBN:9781337399944

Author:Michael A. Seeds

Publisher:Michael A. Seeds

Chapter12: Stellar Evolution

Section: Chapter Questions

Problem 4P

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Question

Star A and Star B are both on the main sequence. Star A is 74 times more luminous than Star B. What is the ratio of their main-sequence lifetimes?

Hint: Refer to the stellar life expectancies equation,

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