How Everything Works
How Everything Works How Everything Works

Question 472

Is there a relationship between the black hole and the point of origin of the universe?
Yes and no. Both involve lots of mass in a very small space. A black hole is a very strange region of space-time, where time runs slowly and the gravity is extraordinarily intense. Around the black hole, everything is swept inward through the hole's surface. But (as best I understand it) the early universe didn't necessarily have strong gravity. With mass uniformly distributed in the tiny, compact universe, an object felt gravity pulling it equally in all directions. There was as much mass to the left of the object as to its right. Thus the object would have been roughly weightless. With no gravity to make things lump together into galaxies, stars, and planets, there was no reason for those celestial objects to form. Why they did form is one of the great questions of modern cosmology. As for the universe's character at the very moment of creation, I don't think that anyone has a clear picture of what was happening. The very nature of space-time was probably all messed up and the theories needed to understand it don't yet exist.

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