Size of the universe question ?



Maybe some kind soul can answer this for me and tell me what I'm missing ?

If the universe is just under 14 billion years old how can it be (from what I've read) 93 billion light years across ?

If nothing can exceed the speed of light then shouldn't the maximum diameter be no more than the age x2 (assuming the universe expands at the speed of light, which it doesn't).

I have a feeling the explanation will be something to do with the early universe not obeying the laws we observe now, but I can't find any info on the sites I found so far and it's bugging me !!

Thanks...
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