Question

Olbers’s paradox asks the question, “why is the night sky is dark?” What is the answer to this quistion?

Answer 1

STEP 1

Olbers’s paradox asks the question, “why is the night sky is dark?

For answering this question, first of all, we have to understand Olber’s paradox. According to this paradox, there was dust between the stars. Now the stars emit light (EM wave) and dust particle, therefore, they received those light and hence become bright. But actually the night sky is dark. Therefore Olbers’s paradox asks the question, “why is the night sky is dark?

STEP 2

            The actual answer to this question is as follow

Actually, according to Big Bang theory, our universe has a beginning point and its size is finite. After the Big bang all masses that is stars are moving away from each other. These stars are lighting up the univers. But due to the redshift, we can not see all-stars as their intensity become lower and another reason is the limitation of our visibility ( we can see up to 10 to 13 billions light years only )

                        Hence the above two reason explain why the night sky is dark