Cosmological Speculation on Things We Might Never Know

What is outside our Universe? We have no idea. But that's never stopped active human minds before and it still doesn't. Speculations are varied and the ones in this article aren't the only ones out there. I love reading about cosmology and theoretical physics including books like The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory and The Fabric of the Cosmos: Space, Time, and the Texture of Reality by Brian Greene. If you haven't seen the PBS shows based on these books do yourself a favor and look them up.

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