Nothing

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Originally posted by robinrohan:
My subject is nothing. I don't understand it. I always think of "nothing" as empty space, but space as it turns out is something (what I don't know). What is on the "other side" of the universe? "Nothing" is the answer. This is incomprehensible to me.

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An infinite universe makes more sense but does not fit with Big Bang Theory.

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You have nothing to worry about. It's just human intuition playing tricks on you, which usually leads to confusion. "Nothing" is a negative, and they only exist as contructs of the mind. If it confuses you to think about it, try using another negative. What if I said No Santa lives on the North Pole? Would you conclude some entity called Nosanta lives up north? Or would you assume the Nosanta is empty space? Of course there is no such thing as a non entity, and this includes "nothing".Likewise, the statement "there is nothing outside the universe" can be taken to mean, there is a void called nothing outside the universe. But the actual meaning is, there is NOT anything outside the universe. Which means there is no outside.Of course it's still impossible to imagine how a universe could have an end (finite, but with no edge) but that's just intuition again. If it helps, you should know big bang cosmology is compatible with an infinite universe. In fact, our universe appears to have an omega value of less than 1, which suggests an open an infinite cosmos.