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Recently, I saw a documentary about the beginning of the Universe. In it, it was mentioned that for the first several hundred thousand years (or something), before any new elements were created through atomic processes, there was no light. If this is the case, then there would be NO limit on speed to corral the expansion of the Universe, correct? No light, no speed limit OF the speed of light to hold it back. Once light is established, then it gets the limits. Or- unless you smartie pants use the term "speed of light" to refer to the speed of ANY energy, then it's a moot question.
for the first several hundred thousand years ... there was no light.
I think the Universe is expanding faster than light at the moment isn't it? In other words, were you able to travel to the edge of the Universe, you couldn't see or catch up with the expanding margin, even if you could travel at the speed of light.