An Infinite Ensemble

There are stars with enough mass to collapse on themselves, forming what have been theorized as black holes.  It is thought that within these black holes there is a point called "singularity" at which all physical laws may cease to exist.  At this point the curvature of space-time becomes infinitely large, and modern science can no longer predict what will happen.  Einstein’s theory of relativity cannot determine what effect singularity will have on an object, forming an uncertainty in our universe.  It is from this uncertain state that many theories have arisen surrounding singularity.  It has been theorized that beyond singularity exist tunnels – shortcuts – to other ends of the universe.  These "wormholes" could be a solution to interstellar travel, which currently is limited by relativity.  However, many complications surround this possible theory.  Most notable is the fact that the gravitational force of a black hole would crush any possible interstellar spacecraft, which is something that will have to be worked out.  While this theory about singularity is questionable at best and will probably be left to science fiction, there is another theory about the center of a black hole that has been gaining more acceptance from respected physicists and astronomers, and describes a whole new view about our known universe.

 

At the point of singularity it is agreed that it is impossible to predict physical behavior.  This could mean that beyond this point of singularity there may be an entirely new set of physical laws.  It is quite possible that after singularity, there may be an absence of such basic forces as gravity, electromagnetism, and the strong and weak nuclear forces.  If this were to happen, or if just one of these forces did not exist or was changed, then technically it would not be a part of this universe.  Our universe is defined as the observable (if not explainable) aspects of the cosmos that involve the galaxies, stars, planets, and life that we know.  Should a basic component of our physical laws be changed, none of what we know would exist.  According to Before the Beginning, by Sir Martin Rees, "If nuclear forces were slightly weaker, no chemical elements other than hydrogen would be stable and there would be no nuclear energy to power stars.  But, if the nuclear forces were slightly stronger than they actually are relative to electric forces, two protons could stick together so readily that ordinary hydrogen would not exist, and stars would evolve quite differently."  This demonstrates the small chance that it took for things to actually turn out like they did, and implies that it may be difficult for things to ever duplicate themselves should this idea of a "Multiverse" be more than just a theory.

The Multiverse theory for the universe has been a recently accepted theory that describes the continuous formation of universes through the collapse of giant stars and the formation of black holes.  With each of these black holes there is a new point of singularity and a new possible universe.  As Rees describes it, "Our universe may be just one element – one atom, as it were – in an infinite ensemble: a cosmic archipelago.  Each universe starts with its own big bang, acquires a distinctive imprint (and its individual physical laws) as it cools, and traces out its own cosmic cycle.  The big bang that triggered our entire universe is, in this grander perspective, an infinitesimal part of an elaborate structure that extends far beyond the range of any telescopes."  (Rees 3)  This puts our place in the Multiverse into a small spectrum.  While the size of the earth in relation to the sun is minuscule, the size of the sun, the solar system, the galaxy, and even the universe, could pale in comparison to this proposed Multiverse.  It would be a shift in thinking that may help explain our big bang theory and possibly give light to the idea of parallel universes.

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