the most realistic simulation of the Universe allows you to “travel in time”

Uchuu, which means “Universe” in Japanese, is a simulation of the cosmos, the most realistic ever made, which will allow us to study the evolution of the universe with a level of information and details that are unprecedented. Scientists can now focus on different moments in history, to understand certain phenomena, such as the evolution of galaxies, or the formation of black holes. Uchuu is available in the CESGA cloud, it can be downloaded online through the IAA server and there is a visualization available on YouTube.

A Japanese and Spanish project

The project was created by the National Astronomical Observatory of Japan (NAOJ) with the collaboration of three Spanish entities: IAA-CSIC, the Institute of Astrophysics of Andalusia, Cesga, the Center for Supercomputing of Galicia and RedIRIS, the Spanish academic and research network. Other groups of researchers from Japan, the United States, Australia, Argentina, Chile, Italy and France also participate.

Francisco Prada, the cosmologist and professor of the Spanish Higher Council for Scientific Research (CSIC) of the Andalusian Institute of Astrophysics (IAA) said in an interview that this project aims to recreate how the universe formed and everything that happened since the universe was 400,000 years old.

With a Japanese supercomputer called ATERUI II, the most powerful used exclusively in astrophysics, all the physics involved was recreated in the project. All of Einstein’s gravitational equations, the material and energetic components of the universe, and all the processes involved numerically.

A simulation to study the entire Universe

Uchuu has 2.1 billion particles, in a virtual cube that is 9.6 billion light years in diameter.. This is comparable to half the distance between Earth and the most distant galaxies that have been observed.

Simulation will allow you to analyze different moments and scenarios in the history of the universe, in great detail, for more than 13 billion years. Objects of all kinds, small or large galaxies, and even large voids can be studied. As well as galaxy mergers and collisions of galaxies with massive black holes that can generate gravitational waves.

One of the relevant characteristics of Uchuu is that, not only incorporates visible matter, but also dark matter and dark energy. This is extremely important, since ordinary matter, which is made up of atoms, represents less than 5% of the energy of the entire Universe. 25% is dark matter and the rest is dark energy.

Prada said the simulation images “They are like putting on special glasses to visualize dark matter”. In this way, its nature can be better interpreted, because although it is understood to be an elementary particle, it is not known what causes this accelerated expansion.

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Source: okdiario.com by okdiario.com.

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