2 ms·
This observation is the reason we think the universe is expanding. As an analogy, consider the 2 dimensional surface on the surface of a balloon. As you inflat
by gizmo686 3y ago
This observation is the reason we think the universe is expanding.
As an analogy, consider the 2 dimensional surface on the surface of a balloon. As you inflate the balloon, the distance between any 2 points increases, and it increases more the farther away the points are from each other.