Recent content by Notvacka

Then I guess that if gravity can curve space, it can also stretch space. In the balloon analogy, the markings would be replaced by pieces of adhesive tape. These would increase the tension in the surrounding surface, by not allowing the taped parts of the balloon to stretch as much when the...

The universe is known to be expanding. There is no centre of expanision, since it's space itself that is expanding, rather than galaxies speeding away from us through space. But if the expansion is uniform, wouldn't the space between molecules expand as well as the space between galaxies? If...