The Disappearance of the Universe. What do we really know about the Universe?

The Disappearance of the Universe. What do we really know about the Universe?

From the time when we start understanding, we do research and give many possibilities and theories about the Universe but knowing truly what it really always remains a mystery and we die without being able to reveal that mystery. Many generations tried to solve but the Universe is too deep to get to the bottom of it.

 

The most important and accepted theory about the Universe is ‘The Big Bang’ theory. It actually tells us how this universe is born. You see, the Universe originated from a hot, dense, very rapidly expanding state. It was full of matter and radiation, and over time it expanded, cooled, and the expansion rate began to slow. In addition, gravitational imperfections grew into galaxies and clusters of galaxies or shrank into great cosmic voids. Just Imagine when any bomb explodes, it expands covering a vast area compared to its original size, but the expansion doesn’t last long. After causing the damage, it disappears completely. So now, why we can’t compare this expansion to the expansion of the universe. And as the Universe continues on in time, more and more galaxies are Redding out as the Universe continues to accelerate. With each second that goes by (on average) thousands of stars and their planetary systems cross that horizon forever and leave our ability to reach them for all eternity.

 

Of the hundreds of billions of galaxies (maybe even as many as a trillion) in our Universe today, only about 3% of them are still reachable. And every time a mere three years goes by; another one fades from our present reachability. Every star will die, nearly all matter will decay, and eventually, all that will be left is a sparse soup of particles and radiation. Even the energy of that soup will be sapped away over time by the expansion of the universe, leaving everything just a fraction of a degree above absolute zero. In this "Big Freeze", the universe ends up uniformly cold, dead, and empty. We can consider this as a small hint for the hypothetical fact of the disappearance of the universe.

 

Not only this, but we are also living in a time when the universe is expanding, and what if this expansion doesn't last long and the universe begins to contract. A contracting universe will shrink smaller and smaller, getting hotter and denser, eventually ending in the fabulously compact inferno, a sort of reverse Big Bang, and the universe might collapse itself. This is only an assumption but who knows in which assumption the real mystery is hidden. Cheer up, by the time this happens we'll all be long gone.


Listing Image By Popular Mechanics.

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