How the World Will End
When we look up at the night sky, we are amazed at how far we can go. But what will the sky look like thousands of years from now?
A cosmologist
A kind of scientist, called a cosmologist, spends his time thinking about that very question.
The end of the universe is closely linked to its contents. 100 years ago,
Theory of General Relativity
Einstein developed the Theory of General Relativity, built on mathematical principles that help us understand the relationship between the universe and its structure.
It turns out that the atmosphere can bend like a ball or a sphere. We call this curved or closed.
Or it may be shaped like a horse. We call this a bad or open curve. Or it could be flat. And that formation determines how the universe will live and die.
We now know that the universe is very close to the earth. However, parts of the universe may still affect its fate.
We can predict how the universe will change over time if we measure the value or density of energy in various parts of the universe today.
So, what is the universe made of?
The universe contains all the things we can see, such as the stars, the gas, and the planets. We call these things a normal or baryonic story. Even though we see them all around us, the total energy of these things is actually very small, about 5% of the total energy of the universe.
So, now let's talk about what another 95% is. Just under 27% of the total energy in the universe is made up of what we call dark matter.
Dark objects interact very lightly, which means they do not reflect or reflect light in the same way that stars and planets do, but, in all other ways, act as normal objects, attracting objects with gravity.
In fact, the only way we can find out about this dark matter is by the compactness of the gravitational pull, the way things move around it and the way the light bends as it bends around it.
We still have to find the particle of black matter, but scientists all over the world are looking for this particle or particles that are not found and the effects of black matter on the universe.
But this does not include up to 100%. The remaining 68 % of the energy in the universe is made up of dark energy, which is even more mysterious than black matter.
Dark Powers
This dark force does not behave like anything else we know and acts as a force against gravity. We say it has the force of gravity, something extraordinary and the darkness beyond.
Instead of uniting the universe, as we would expect gravity to do, the universe appears to be expanding at an ever-increasing rate.
The leading theory of dark energy is the cosmological constant.
That means it has a bizarre property that expands as space capacity grows to maintain a constant energy density.
So, as the universe grows as it does now, there will be more dark forces. Dark matter and baryonic matter, on the other hand, do not grow globally and are highly soluble.
As a result of this unchanging nature of the universe, the future universe will continue to be dominated by dark forces, cold and cold and growing rapidly and rapidly.
Eventually, the entire planet will run out of gas to form stars, and the stars themselves will run out of fuel and burn, leaving the entire universe with only black holes.
Given enough time, even these dark holes will evaporate, leaving the whole space completely cold and empty. This is what we call global warming.
Mathematician
While it may sound stressful to live in a universe that will end its cold and lifeless existence, the end of our universe actually has a perfect balance with its warm and hot beginning.
We call the rapid end of the atmosphere by the Sitter section, named after Dutch mathematician Willem de Sitter.
However, we also believe that the universe had another stage of de Sitter expansion in the early stages of its existence.
We call this inflation, when, shortly after the Big Bang, the universe expanded at an alarming rate over a short period of time. Thus, the universe will come to its end in a state similar to that of the beginning, growing rapidly.
We live in a unique time in the universe where we can begin to understand the journey of the universe and look at the history playing out in the sky for all of us to see.
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