Cosmic Perspective Fundamentals
3rd Edition
ISBN: 9780134988504
Author: Bennett, Jeffrey O., Donahue, M. (megan), SCHNEIDER, Nicholas, Voit, Mark
Publisher: Pearson,
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Textbook Question
Chapter 8, Problem 12QQ
Choose the best answer to etch of the following. Explain your reasoning.
Which of these stars has the largest radius? (a) a supergiant A star (b) a giant K star (C) a supergiant M star
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You’ve just discovered another new X-ray binary, which we will call Hyp-X2 (“Hyp” for hypothetical). The system Hyp-X2 contains a bright, G2 main-sequence star orbiting an unseen companion. The separation of the stars is estimated to be 12 million kilometers, and the orbital period of the visible star is 5 days.
Use Newton’s version of Kepler’s third law to calculate the sum of the masses of the two stars in the system.
a)Express your answer in kilograms to two significant figures.
b) Give your answer from the previous part in solar masses. ( Msun= 2.0 x 10 /30 kg). Express your answer as a multiple of sun’s mass to two significant figures.
C) Determine the mass of the unseen companion. ( Hint: A G2 main-sequence star has a mass of 1 Msun.) Express your answer as a multiple of sun’s mass to two significant figures.
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Chapter 8 Solutions
Cosmic Perspective Fundamentals
Ch. 8 - Choose the best answer to each of the following....Ch. 8 - Prob. 2QQCh. 8 - Choose the best answer to etch of the following....Ch. 8 - Prob. 4QQCh. 8 - Choose the best answer to etch of the following....Ch. 8 - Prob. 6QQCh. 8 - Choose the best answer to etch of the following....Ch. 8 - Choose the best answer to etch of the following....Ch. 8 - Choose the best answer to etch of the following....Ch. 8 - Choose the best answer to etch of the following....
Ch. 8 - Choose the best answer to etch of the following....Ch. 8 - Choose the best answer to etch of the following....Ch. 8 - Prob. 13SEQCh. 8 - Prob. 14SEQCh. 8 - Explain all answers clearly, with complete...Ch. 8 - Explain all answers clearly, with complete...Ch. 8 - Prob. 17SEQCh. 8 - Prob. 18SEQCh. 8 - Prob. 19SEQCh. 8 - Prob. 20SEQCh. 8 - Explain all answers clearly, with complete...Ch. 8 - Prob. 22SEQ
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