Concept explainers
Doppler shift.
Answer to Problem 45GP
Doppler shift observed from the galactic center is
Explanation of Solution
Given:
At the galactic center, super massive black hole carries mass of about 2 billion solar masses. The radius from the galactic center to the gas clouds is 60 light-years.
Formula used:
Doppler shift is given as
Calculation:
Since gravity causes
Using red-shift equation,
Conclusion:
Thus, Doppler shift observed from the galactic center is
Chapter 33 Solutions
Physics: Principles with Applications
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