Multiple Choice
We detect the slight anisotropy in the cosmic microwave background by making redshift measurements: Wavelengths coming from the direction of Aquarius are slightly longer and those from the direction of Leo are slightly shorter.This redshift is a:
A) Doppler shift.
B) gravitational redshift.
C) cosmological redshift.
D) Doppler shift, gravitational redshift, or cosmological redshift since all three are one and the same thing.
Correct Answer:
Verified
Correct Answer:
Verified
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