Multiple Choice
The Hubble relationship shows a proportionality between the distance to a galaxy and the:
A) width of the 21-cm radio emission line from hydrogen.
B) parallax angle change of the galaxy as Earth moves through 1 year.
C) angular diameter of the galaxy as seen from Earth.
D) overall redshift of a galaxy's spectrum.
Correct Answer:
Verified
Correct Answer:
Verified
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