The Sunyaev-Zel'dovich (soon-YAW-ev zel-DO-vich) effect, which is used by cosmologists to study the cosmic microwave background in galaxy clusters, is a result of which of the following physical phenomena?
W) Relativistic Doppler effect
X) Bremsstrahlung (BREMZ-struh-lung)
Y) Cold dark matter
Z) Inverse Compton scattering
✔️Answer:Z) Inverse Compton scattering
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