The current widely held theory of the universe is that at some point, around roughly 13.7 billion years ago, everything that is, was and will ever be was packed into a tight little package from which sprung the big bang, which then violently hurtled everything we see into existence. To some scientists, 13.7 billion years isn’t enough time to get to where are are. One particular physicist believes he can prove that things weren’t that simple. In fact, drawing from the only evidence left behind after the big bang, he believes that evidence found in the cosmic microwave background (which is believed to have been thrust into existence when the universe was just 300,000 years old) proves that the big bang wasn’t the beginning, but it was one in a series of cyclical big bangs. Each of which spawned its own universe.

Sir Roger Penrose estimates that our universe is not the first, nor will it be the last to spawn from a dense mass of highly ordered everything, into the complex universe we see around us. The current big bang model doesn’t supply a reason as to why a low entropy, highly ordered state existed at the birth of our universe unless things were set in order before the big bang occurred. In Penrose’s theory, each universe returns to a state of low entropy as it approaches its final days of expanding into eventual nothingness. By virtue, black holes spend their cosmic lifetimes working to scrub entropy from the universe. As the universe nears the end of its expansion, the black holes evaporate or gobble one another up, thus setting things back into a state of order. The universe is then unable to expand any further so it collapses back in on itself as a highly ordered system that’s ready to trigger the next big bang.

The current model of the universe says that any temperature variations in the CMB should be random, but Penrose claims he has found very clear concentric circles within it that suggests there are regions where the radiation has much smaller temperature ranges. To him, these posits are spherical evidence of the gravitational effects of black hole collisions during the previous universe.

Of course, if his theory was able to withstand the test of time and rigorous scientific testing, it still doesn’t explain where the first version of the universe spawned from or how the first black hole formed. Nor does his theory fit in with the standard inflation models. Still, it’s interesting to ponder.

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“Penrose claims to have glimpsed universe before Big Bang:”

By Jaime TrosperĀ