Recent content by Scott WKreiger

Ah, I see, said the blind man. Of course, a billion years from now, if we see light from another billion miles away, then we can assume that the universe is at least another 3+ billion LY to the horizon. Thank you for enlightening me as to what was meant by metric expansion. I knew it didn't...

How can we observe light from 45 billion light years away if the universe isn't 45 billion years old?

The Size and Age of Our Universe If the universe is 14 billion years old, (roughly) then we can only see out in any direction for 14 billion light years. Thus any stars beyond 14 billion light years are invisible to us because their light hasn’t had time to reach us. If we cannot find an edge...