Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Question
Chapter 8, Problem 36Q
To determine
The radial velocity method that is used to detect planets orbiting other stars. Also, provide the reason for difficulty in using this method to detect planets like Earth.
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Students have asked these similar questions
Doppler shift lets you see a star
move back and forth.
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O look brighter and dimmer.
O The Doppler shift brightens up a dim planet so you can see it.
A certain binary system consists of two stars that have equal masses and revolve in circular orbits around a fixed point half-way between them.
If the orbital velocity of each star is v=186 km/s and the orbital period of each is 11.3 days, calculate the mass M of each star. Give your answer in units of the solar mass, 1.99×1030 kg (e.g. if each planet's mass is 3.98×1030 kg, you would answer "2.00").
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Brightness of Star
Residual Flux
0.99
0.98
0.97
0.006
0.002
0.000
-8-881
-0.06
-0.04
-0.02
0.00
Time (days) →
0.02
0.04
0.06
Chapter 8 Solutions
Universe
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