What do you think is the shape of the Universe? Is it round like a ball, flat like a sheet of paper or doubly curved like a western saddle? This may seem like a pretty abstract question. Our modern ideas of space and time come from Albert Einstein. Einstein's Theory of Relativity is a potent set of physics ideas that gives us a completely new view of the nature of space. It also turns out to be the principal piece of physics needed for cosmology. He, recognized that Space was not just emptiness but had its own separate reality. Space and time are a kind of "fabric" of reality and like any fabric they can stretch, bend and even fold. What do you think about this? J
There are many things regarding our universe that we do not know yet. People explored just a small part of it, and I don't think we have any idea of any facts now. As technology will improve, we will be able to find out more.
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