Recent content by Ordep

Ok let me expand a little more on where this question comes from. I believe the general way of looking at the universe today is that we live in a sphere of radius 13.5 billion light years with us in the center. This is because in whatever direction one looks from Earth one sees the microwave...

Hi all, I've been struggling with an idea lately and was wondering if anybody could shed some light on it. It seems simple but i don't think the answer is very obvious. The best guestimate for the age of the universe at the moment is 13.5 billion years old. If we could travel back in...