Our universe might be a giant three-dimensional donut, really.
When you purchase through connexion on our site , we may earn an affiliate delegacy . Here ’s how it works . Imagine a universe where you could point a starship in one guidance and finally return to where you get . If our existence were a finite donut , then such movements would be possible and physicists could potentially measure its size . " We could say : Now we know the sizing of the macrocosm , " astrophysicist Thomas Buchert , of the University of Lyon , Astrophysical Research Center in France , told Live Science in an email ....