Astronomers have created 8 million universes in one computer. And here is what they have learned


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Despite the numerous assumptions that our universe is a computer simulation, the likelihood for it is extremely low. However, nothing is impossible in the world, so scientists can observe very different life forms in millions of universes very well. In theory. In fact, astronomers have created eight million universes on a computer. The fact is that the simulation of the formation and evolution of universes can say a lot about ours.

The biggest secret of the universe

When you think about the universe every time and what it is about, you seem to know nothing and not understand what's really going on there – that's normal. It is incredibly difficult for our brains to understand concepts like infinity, lanaka, and the event horizon of a black hole. And when it comes to dark matter, you get the feeling that dark matter is the biggest secret in our universe.

Laniakeia is a supercluster of galaxies. Translated from Hawaiian, this word means "immense sky".

At least scientists today hold such a position. The goal of the researchers in creating 8 million computer simulations of the universes was to understand the role this mysterious substance has played since the Big Bang in the life of our universe.

The diameter of Laniakei is about 520 million light-years

It is believed that shortly after the birth of the universe, an invisible and elusive substance called "dark matter" was transformed by massive gravity into massive clouds called the dark matter halo. As the halo increased, they attracted rare gaseous hydrogen that permeated the universe to unite and shape the stars and galaxies we see today. In this theory, dark matter acts as the basis for galaxies and determines the processes of formation, fusion, and evolution over time.

Read about other secrets of the universe on our channel in Yandex.Zen

To better understand the effects of dark matter on the formation of the universe, scientists at the University of Arizona have created their own universes using a supercomputer. 2000 processors worked continuously for three weeks, simulating more than 8 million unique universes. Surprisingly, each universe followed a unique set of rules to help researchers understand the connection between dark matter and the evolution of galaxies.

The biggest computer simulation

The study was published in the Monthly Notices journal of the Royal Astronomical Society and is the first in the field. Previously, scientists created individual simulations that focused on the modeling of individual galaxies. The new program is called Universe Machine. It has continually created millions of universes, each containing 12 million galaxies. In addition, all these millions of universes have evolved from the Big Bang to the present day.

This could look like a computer simulation of the universe

The most interesting thing, according to experts, is that scientists can now use all available galactic evolution data – number, number of stars and methods of star formation – to synthesize a comprehensive picture of the last 13 billion years of the universe. Keep in mind that creating an exact copy of our universe or even a galaxy would require incredible computing power. Therefore, scientists have focused on two key properties of galaxies: the total mass of stars and the speed of star formation.

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According to the results of the study, the star formation rate of stars in the galaxy is closely related to the mass of the dark matter halo. In those galaxies where the mass of the halo of dark matter was similar to that of the dark matter halo of the Milky Way, the rate of star formation was highest. This suggests that in more massive galaxies star formation is limited by a large number of black holes.

Observations by astronomers cast doubt on the scientists' assumption that dark matter suppresses star formation in the early Universe. In fact, smaller galaxies tend to make stars at higher speeds.

In the future, the scientists plan to expand the Universe Machine to find even more options in which dark matter can affect the properties of galaxies, including the shape of their evolution, the mass of black holes, and the abundance of stars in supernovae ,

Dizzying, right? Do you think scientists can solve the biggest puzzles in the universe?