: : This is a post for questions, facts, or occasionaly opinions of thoughs of us like you who have a deep rooted intrest in mostly theoretical things like wormholes, whiteholes, singularities, ect. : For your question on where to start I find the best post is at whatever post you end up at. In other words just start any where because the theroies about space is as about as twice as numerous as the number of people on earth.