Olbers' paradox is an apparently simple question, but its resolution suggests that the universe is finite in age. What is the question? Why is the sky dark at night?
Universe is finite
In that it hasn't existed indefinitely, the observable universe is finite. From Earth, it stretches 46 billion light years in every direction. (Our universe is 13.8 billion years old, but because the cosmos is expanding, we can observe more of it.)
Astronomers are able to look back in time to the seconds immediately following the Big Bang thanks to developing technologies. This may give the impression that we can see the entire cosmos. But a lot of factors, such as the universe's form and expansion, affect how big the cosmos is.
Because of this, scientists are unable to determine the exact size of the universe, however, we can make guesses.
To learn more about the universe finite refer here:
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