Is this a possible theory?

Question

This is crazy but I just thought of it. Just follow along. There was such an enormose black hole in the universe that it started rapidly growing and eating everything, glaxies, clusters, stars. Eventually it got SO BIG that is engulfed the whole universe. Then there was nothing else to eat and it began to evaporate. So after billions of trillions of years, it evaporated, and the singularity left behind became what we know today as the primeval fireball that eventually exploded in the big bang. Do you think this is logical? crazy huh.

Answer 1

As we currently understand quantum mechanics  only a very small mass black hole evaporates rapidly enough to have effective temperatures approaching that of the primeval fireball.  Given conservation of mass, not enough material/energy would be emitted in such a pop to form the modern day universe.  A universe populated this way would contain a large amount of mass in the form of low energy EM waves (emitted at the Schwarzschild radius when the black hole was large) and only a ***very*** small handful of particles created in the final moments of the black holes existence.  This is not the universe we see today which appears to be ~5% baryonic matter.

Now, the suggestion of a cycling universe that collapses back down to a singularity and then is reborn, is one that has been suggested before, but only works in a closed universe.  MAP (Microwave Anisotropy Probe) and indirect dark energy observations suggest that our universe is open.

The fact is, we don't really understand dark energy well enough to conclude that the universe is destined to expand forever. This is the most straightforward interpretation,  if we apply an extension of the Copernican principle to the nature of the universe and assume physical laws are

1) the same everywhere,

2) are more or less what they were in the early universe and

3) will remain so in the cosmological future.

This is an assumption that underlies all science, and so far appears to work pretty well, but it only has an empircal basis.

Answer 2

no. Just really think about your question and you will realize thats not the case. there is so much empty space that the black hole would starve and disipate at one point or another.

Answer 3

its possible but its not a theory because it hasnt been tested but like i said very possible

Answer 4

No. There is no way a single black hole could engulf the entire universe. It would evaporate at some stage or another.

Answer 5

Ohhh, why not?

You could call it the [your last name] Transition or something like that.

Answer 6

Even black holes can attract things only as per gravitational laws.It depend upon the distance. Only in the very near bye areas the force will be felt.Suppose the Sun becomes a black hole(Not enough mass)earth will not be pulled in! Earth will continue to go round as it is! As the rest of solar system

Answer 7

not plausible because how could the black hole exist if it engulfed the universe.

Answer 8

I wouldn't call that a theory until you've found some way to test it.  Until then, it's just a hypothesis, or in layman's terms, a "guess."