Creation's Expansion

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Top view of the Big Bang, Black area is nothingness.
click for larger image
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Creation is expanding at the speed of light,
Approx. 300,000 kilometers per second
from the origin of the big bang.
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UIs space increasing because light is consuming nothing?
Is there an end to nothing or does it have boundaries?
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If it has boundaries will the light reflect off it?
If so, will creation have a replay in the refraction?
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Always more questions than answers . . .