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Anonymous
>>1310331 Physicists can (and have) explain everything that's happened since 0.001 seconds after the Big Bang. And have experimental evidence to prove it, no less (I worked on a satellite designed to measure Cosmic Microwave Background... fun times). It's not a theory... it's what happened. WHY it happened... well, that's still unknown.
>>1310334 I'm afraid you're failing to grasp the concept... it's not that light is required in order to have space (that's... well, technically it's true, but more of a side-effect than a result). It's that the concept of time, space, and light are all interconnected. Remember that light propagates at the speed of light (duh)... 3x10^8m/s, right? Right. At the edge of the universe, where the big bang is still occurring (in all of the directions it can whiz, to quote Monty P), on the "other side" of that border, the propagation hasn't reached yet. Why is this important? Because the light doesn't just mark the edge of the *visible* universe. It marks the edge of the *universe*. Beyond the Big Bang, there is no space... not "vacuum", but literally there doesn't exist 3 dimensions (well, 4, because there's no time either). There is "nothing" in the most absolute sense of the word... if you could magically transport yourself *past* the edge of the Big Bang propagation, you would cease to exist because there's no space for you to exist in (and, correspondingly, no time for you to exist there).
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