How can the visible universe have a radius of 46 billion light years when the universe is only 13.8 billion years old?
Return to article list The expansion of the universe explains how it can be much larger than 13.8 billion light years. How can the visible universe have a radius of 46 billion light years when the universe is only 13.8 billion years old? And how can we detect light from 46 billion light years away
