If the universe is 13.8 billion years old, how is the observable universe 46.5 billion light years across?

Question

If the universe is 13.8 billion years old, how is the observable universe 46.5 billion light years across?

In: Physics

Answer 1

I heard it explained nicely by a loaf of bread rising with raisins in it. The raisins aren’t moving that much compared to the swelling dough between them. Maybe that analogy helps? Otherwise u/WRSaunders is right. Space is itself expanding faster than light can cover the distance.