which of the following is one of the things used to determine the age of the universe?

speed of light of other galaxies

gravity of other galaxies

radiation of other galaxies

distance from Earth to other galaxies

Respuesta :

Answer:

Explanation:

Astronomers estimate the age of the universe in two ways:

1) by looking for the oldest stars.

2) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang; just as crime detectives can trace the origin of a bullet from the holes in a wall.