That question was answered by Edgar Allen Poe, who was not only a great story teller, but also an amateur astronomer.
The stars are so far away, that their light has not gotten here yet..............
That’s only one of the theories to explain Olber’s paradox. :)
https://en.wikipedia.org/wiki/Olbers%27_paradox
Don’t get me wrong. It might be true, but it is really more of a hypothesis than a theory until they can come up with a good way to test it.
The stars are so far away, that their light has not gotten here yet..............
That's why I wear my sunglasses at night. You never know when it will all arrive.