When will the end of the world come? Scientists say
The question of how and when the end of the world will come has kept scholars from all corners under intense investigation, who have drawn on various theories. They were encouraged to show how the universe behaves and how its consequences might be.
An investigation led by researchers from Princeton University and published in the journal Proceedings of the National Academy of Sciences He gives a description of a discovery that would mean a countdown to the accelerated expansion of the universe.
Under the theory that the universe began expanding from the Big Bang about 13,000 million years ago, The discovery suggests that at some point this trend will stop and then begin to slowly taper off, at a time they know to be “surprisingly close.”
This document provides a simple mechanism by which A dynamic form of dark energy (known as a core) can stop the acceleration and transition smoothly from one phase of expansion to another phase of slow contraction,” says the research, backed by three experts, including Paul J SteinhardtDirector of the Center for Theoretical Sciences at Princeton University.
The so-called essence is not a static force of nature, but an entity that can dissolve over time. The investigation found that It is likely that that dark force had been weakening for billions of years.
anyway The time they estimated for the transition from one stage to the next may be less than 100 million years (about 65 million), the figure seems far fetched. However, scientists point out that, in cosmological terms, this cannot be the case, and that this will end space-time as we know it today.
Steinhardt Put a fact into perspective to determine how big that period can come from now on: “If we go back in time 65 million years, that was when the Chicxulub asteroid hit Earth and wiped out the dinosaurs.”
Since the 1990s, scientists have found that the expansion of the universe has been accelerating, ie They found that the space between galaxies was expanding faster than they were moving.
This movement It is powered by what was previously called an invisible entity and is now known as dark energywhich is found in 70% of the total energy of the universe.
The team led Steinhardt Note two possible outcomes to this story, under this theory. The first is the Great Crisis, a contraction that could end the dynamic between space and time. The other could be athe great explosion”, blast through it The universe will shrink to come back into existence again In the endless process of destruction and rebirth.
Although these findings are important to the study of the universe, specialists say so, at least for the time beingit is impossible to say with certainty when and how that will be. The main reason Investigations are made from pre-expansion observationsHowever, this does not mean that dark energy behaves uniformly over time and these arguments can continue.
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