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10 theories about the end of the universe
Most of all in the universe, we are surprised how little we know about her. And just as we want to know what is happening to our death, science wonders about what happens at the end of the universe. The scientific community has made a lot of theories – and some really impressive.
The most compelling theory of how the universe began – is the Big Bang, when the whole matter was initially in the form of singularity, an infinitely dense point in the abyss of nothing. Because a lead to an explosion. Matter has expanded at an incredible rate, and eventually formed the universe that we see today.
Big Squeeze, as you might guess, is the opposite of the Big Bang. All matter expands outward to the edges of the universe under the influence of gravity of the universe. According to this theory, gravity will eventually slow down and start to decline. This reduction will return all matter (planets, stars, galaxies, black holes – all) back to where it all began, and compress into a singularity. We find ourselves in the same conditions in which the universe was before the Big Bang – all matter in the universe will shrink infinitesimal point – infinitesimal.
However, this is unlikely to happen, according to the knowledge that we have now, because the universe is expanding at an accelerating rate.
The inevitable heat death of the universe
Think of the heat death as something completely opposite Big Squeeze. Gravity will not be able to overcome the expansion, so the universe is just going to grow exponentially. Galaxies will drift apart as unhappy lovers, and the night between them will be wider and wider.
Universe lives by the same rules as any thermodynamic system, and they all eventually end up the same way: when the heat is evenly distributed. Roughly speaking, the wind will spread the heat throughout the universe, and it will be cold, dark and dreary. All the stars that we know will fade one by one, and one does not have enough energy to light a new one. The entire universe will go out. Matter is but in the form of particles, and their movement will be completely random. Universe is in equilibrium, and these particles will rebound from each other without exchanging energy. We will remain “crumpled cigarette butts, spit in the shade under the bench, where the angle of the beam to penetrate will not. And watch in an embrace with dirt, counting the days, in humus, in the sediment, in the cultural layer. ”
Heat death due to black holes
According to a popular theory, most of the matter in the universe is spinning around the black holes. Just look at the Galaxy, which fits almost all, and supermassive black holes at their centers. Black holes eat stars and entire galaxies that cross the event horizon.
At the end of the universe, these black holes will eventually absorb most of the matter and we are left alone with the dark universe. From time to time will be a flash of light, almost like lightning, when the object is close enough to the black hole to emit energy, and again everything was plunged into darkness. In the end, leaving only the gravitational wells of nowhere. Massive black holes swallow up smaller and will be even more. This will be the final state of the universe. Over time, black holes evaporate (lose their mass), rejecting the so-called Hawking radiation. Therefore, when he dies last black hole, we will stay with uniformly distributed sub-atomic particles of Hawking radiation.
If there is something eternal, then it’s time. Regardless, the universe exists or not, the time goes by. Otherwise, there would be no way to distinguish one from the next time (although there is a theory that time – it’s just a sequence of events ). But what if the time just freezes? What if there will be more chances? Just the same minute in time, forever.
Suppose that we live in a universe where never end. With an endless amount of time, all that can happen, will happen to the 100-percent probability (according to the theory of Poincaré). The same paradox will happen if you’ll live forever. You live in an infinite time, so any event guaranteed to happen (and will happen an infinite number of times). So if you’ll live forever, the chance that you will fall asleep in time, 100 per cent. Because this assumption has upset many calculations that tried to predict the end of the universe, scientists have suggested something else: time itself should one stop.
Let’s say you’re alive to experience it (billions of years after the end of the Earth), but you can not understand that something went wrong. Time just stops and everything freezes, as the picture as mold, forever. But it will not be forever, because time just will not move forward. This is just one time. You will never die and do not get old. It’s kind of psevdobessmertie but you this will never know.
Big Bouncing like a Big Crunch, but much more optimistic. Imagine the same scenario: gravity slows the expansion of the universe and condenses all in one spot. According to the theory, this compression can be enough to start another explosion, and the universe will begin again. Nothing will be destroyed, but will be redistributed.
Physicists do not like this explanation, however, some scientists believe that the universe just does not revert back to the singularity. Rather, it is a very close approach to this state and bounce, just as the ball bounces off the floor. Big Rebound in this respect is very similar to the Big Bang theory, and can give rise to a new universe. This oscillating cycle of our universe may be the first in a series of the universe or four hundred. No one will know about it.
Regardless of how it is over all things, scientists need to use the word “great” to describe this end. According to this theory, an invisible force called “dark energy” is accelerating the expansion of the observable universe. In the end, so will accelerate the expansion as “Enterprise” with the warp factor nine, that the universe will have no choice but to break into nothingness.
The scariest part of this theory is that although the majority of these scenarios occur after burn stars, a large gap should occur in the early estimates, over 16 billion years. At this stage of the universe, the planets and the theoretical life will still exist. This cataclysm may burn her alive, detached from all things space and feed the lions that live between universes. It is not known what would happen. But this death is obviously more severe than the slow heat death.
Event vacuum metastability
Планеты в космосе
This theory depends on the idea that the universe exists in a fundamentally unstable. If you look at the values of quantum particles, it is easy to see why some believe that our universe is on the verge of stability. Some scholars suggest that the universe is billions of years later, just drop from this face. When this happens, at some point of time in the universe will bubble. This bubble will expand in all directions at the speed of light and destroy everything they touch. Eventually the bubble will destroy everything in the universe.
But do not worry: the universe will still be there. The laws of physics will be different, and possibly – another life. But in the universe will not be anything that we could not understand.
If we try to calculate the probabilities in the multiverse (in which there are an infinite number of universes), we return to the issue articulated above: anything can happen with a 100 percent probability. To circumvent this problem, the scientists just take portion of the universe and calculate the probability for him. It works, but the boundaries that they outline, inevitably cut portion from the rest of the world.
Because the laws of physics do not make sense in an infinite universe, the only conclusion that can be drawn is that there is a physical boundary, a limit beyond which you can not get out. And if you believe the physicists in the next 3.7 billion years, we will cross this time barrier, and for us the universe will end. Although much more likely that we just can not understand and describe this principle with our physical terminology.
This will not happen (because we live in a multiverse)
According to the scenario of the multiverse with an infinite number of universes, these universes can arise even in the course of our existence. They can start to occur even with the Big Bang. One universe finishes higher the compression, the other heat death, the third large gap, and so on. But it does not matter: in the multiverse, our universe – is just one of many. And even if our world crumble rainbow in the void between universes, large “universe” will remain. And because it is a different universe, and the existence and life, we are in no danger.
The number of new universes will always be larger than the old, so in theory the number of universes increases.Viewing:-230
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