Please correct me if I’m wrong in understanding big bang, I understood that there was nothing in the beginning and everything was formed all at once, hence the light from the farthest will take billions of years to reach us to see it’s present moment and so why is matter limited, honestly feels like a computer simulation since everything is limited in nature.
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Because the speed of light is finite and the universe has only existed for a finite period of time (13.8 billion years). This means that light has only had 13.8 billion years to reach us. Light from any part of the universe more than 13.8 billion light years away from us *when that light was emitted* hasn’t had enough time to travel and reach us yet.
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