Concept explainers
The distance of the galaxy that it will move relative to Earth.
Whether the galaxy is moving toward or away from Earth.
Answer to Problem 19PP
The galaxy would move at a speed of
Explanation of Solution
Given: The observed wavelength of the oxygen spectral line,
And the laboratory value of the wavelength,
Formula used:
From the above measures it is clear that observed wavelength is greater than the actual wavelength. So, one can use the Doppler shift formula.
Since observed wavelength is greater than the laboratory value of the wavelength,
Here,
Calculation: Substitute
Conclusion: Hence, the galaxy would move at a speed of
Chapter 16 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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