How did Mr. Hubble calculate the age of the universe?
A)By measuring the rate of expansion of the universe
B)By looking at the age of the oldest stars
C)By measuring the redshift of stars within 360 degrees of the center of our galaxy
D)By measuring the rate of radioactive decay within the farthest galaxies

Question

Quizplus · Accepted Answer

Mr. Hubble calculated the age of the universe by measuring the rate of expansion of the universe, which is now known as Hubble's Law. Based on his observations of the redshift of distant galaxies, he was able to determine their distance and velocity, and thus estimate the age of the universe.

How Did Mr