How do astronomers estimate the approximate age of the Universe?
A) The age of the Universe is equal to the Hubble constant (H).
B) The age of the Universe is equal to 1/H.
C) The age of the Universe is approximately the age of our Sun.
D) They measure the distance to the cosmic horizon and divide by the speed of light.

Question

Quizplus · Accepted Answer

Astronomers estimate the age of the Universe by taking the inverse of the Hubble constant (1/H), which gives an approximation of the time since the Big Bang, assuming a constant rate of expansion.

How Do Astronomers Estimate the Approximate Age of the Universe