text: There is no 'past' space. Either it goes on forever or it comes to and end and that's it, nothing more. Concepts of infinity and nothing are difficult to wrap your mind around and this is why it's so hard to understand by meer human beings, an organism just barely come out from the tree swingers we once were not so long ago. In fact some of us still do live in the jungle and live a lifestyle not much different from chimps and apes.