Question

What is the age of the universe and how do we know this?

Answer 1

Answer:Astronomers estimate the age of the universe in two ways: 1) by looking for the oldest stars; and 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.

Step-by-step explanation:

Answer 2

Almost 14 billion

Step-by-step explanation:

I read it in an encyclopedia:-)