There are several logical implications of Black Hole Inflation. As we look out at the cosmos we don't see black holes that fill large parts of the sky. Therefore the following logical arguments might be posed:
1. Black holes don't inflate beyond a certain size. Once they reach galactic mass their electromagnetic fields throw off any accreting matter before it gets absorbed.
2. Runaway consumption rarely occurs, less than once every 14 billion years, and so we only see evidence for one such event, i.e. the apparent cosmological constant. Supernovas occur far more often, meaning black holes would be created more often than destroyed, if rapid inflation is considered to be the destruction of a black hole. Eventually black holes and thin radiation would be all that populated the universe (heat death). The universe would have to be finite in age, and created by some unknown mechanism.
3. Black hole inflation is far less destructive than imagined, destroying far less than a 4-million-lightyear radius. The average density of a black hole with a radius greater than the orbit of Pluto is approximatley equal to that of air. It's conceivable that at distances of several dozen or several hundred lightyears, the inflation of a black hole event horizon would not pack enough punch to destroy stars. So, one day we might observe a blazar galaxy with a multi-billion solar mass black hole at the center, emitting strong X-Rays, and the next day we would see a plain old galaxy with no central black hole, no X-Ray emissions, just a diffuse sphere of nebulae where the black hole used to be. The number of black holes inflating roughly equals the number of supernovas occurring in a given time period, and the universe is awash with event horizons originating at distant points in the universe and expanding superluminally. This would be a steady-state theory, with the age of the universe effectively infinite. And there may be infinitely old lifeforms out there somewhere.
4. Black hole inflation might be far more destructive than imagined, blowing matter clear across the universe. That is why matter appears roughly uniformly distributed across the universe.
(Possibilities 1 & 2 might be compatible, and 3 & 4 might be similar as well.)
Space/Science » in reply to Avoidance of future singularities in loop quantum cosmology
There are several logical implications of Black Hole Inflation
