Why is outer space black? Whats at the edge of the universe that makes it appear black?
Your question is the converse of Obler’s paradox which states that if the universe is infinite, then every single point in the sky should be occupied by a star, a galaxy, a quasar, or some light source. Together, the sky should therefore be as uniformly bright as the Sun ! So why is outer space black? Here are the top two reasons, as per current theoretical and observational knowledge: 1, Distant stars and galaxies are racing away from us because of the expansion of the universe, so their light is red-shifted into obscurity. 2, The Universe is too young and too big for distant light to have even reached us yet. The other part of your question is a strange one to me: I think that talking about the “edge of the universe” is like talking about the “edge of the Earth”. To use analogy: We are all standing “at” the edge of the Earth; if you want to go “over” the edge of the Earth, you just have to go off in a direction called “up”. Likewise, we are all living at the edge of the universe! To
