I know that the universe is 13 billion years old and the fastest anything could be is the speed of light so if the universe is expanding as fast as it could be wouldn’t the universe be 13 billion light years big? But I’ve searched and it’s 93 billion light years big, so is the universe expanding faster than the speed of light?
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Space time is considered to be a fabric.
So now assume there is piece of cloth and you stretched it out in a way that you can roll a marble (assume marble is light) across it as light travels, place some walnuts assuming those are galaxies. The light,it can only travel at a certain speed.
Now if you further stretch out the cloth, the distance between the walnuts will increase, but that is nothing to do with the marbles.
It doesn’t matter at what speed the marble is rolling, since the cloth itself is stretching out.
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