Cosmological redshift is the result of .
A)supermassive black holes
B)the expansion of the universe
C)very old, red stars in distant galaxies
D)the high speeds at which galaxies move within clusters

Question

Quizplus · Accepted Answer

Cosmological redshift is caused by the expansion of the universe. As the universe expands, the wavelengths of light stretch out, causing them to shift towards the red end of the electromagnetic spectrum, thus resulting in a redshift.

Cosmological Redshift Is the Result of