Because the universe is infinite, and therefore there are an infinite number of stars, Olbers stated that at the end of every line of sight there must be a star. ... The constant expansion of the universe and the effects of redshift form the foundation of a possible solution to the paradox.

How do we resolve Olbers paradox?

So the visible light from galaxies that are too far away would be red-shifted to invisible wavelengths. So stars beyond a certain depth of space would go invisible resolving the Olber's Paradox .

Who was the first to propose a solution to Olbers paradox?

Because the universe is not infinitely old, the answer is number 3 listed above. Since light takes time to reach us, we can see only those objects that are near enough to us that their light has reached us. Curiously enough, the first published solution to Olbers' Paradox is attributed to Edgar Allan Poe.