Published the most detailed 3D map of the universe – fascinating images

Published the most detailed 3D map of the universe - fascinating images

https://ro.sputnik.md/20220115/cea-mai-detaliata-harta-3d-a-universului-a-fost-publicata–imagini-impresionante-48048298.html

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Sputnik Moldova-Romania

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+74956456601

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+74956456601

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Map, 3d, universe

Dark Energy Spectroscopic tool accurately maps the positions of galaxies over time to help scientists better understand dark energy.

Bucharest, Jan. 15 – Sputnik. The Dark Energy Spectroscopic Instrument (DESI) space research project has published the most detailed 3D map of the universe showing the location of 7.5 million galaxies.

The map released Thursday by the Lawrence Berkeley National Laboratory, which is leading the project, is the result of DESI’s first seven months of operation.

Each point in the image represents an individual galaxy made up of between 100 billion and 1 trillion stars. The Earth’s view map shows five billion light years in the direction of Virgo, which is slowly moving towards the constellation Boots.

“It simply came to our notice then. In the distribution of galaxies on the 3D map, there are large groups, filaments, and voids. They are the largest structure in the universe. But in them we find the early imprint of the universe and the history of its subsequent evolution, ”said Julian Guy, an astronomer at the Berkeley Laboratory. RT.

This is just the beginning of DESI’s plans to add more than a million new galaxies to the chart each month. When completed in 2026, the map will include more than 35 million galaxies, providing astronomers with a vast collection of data to study.

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DESI is a state-of-the-art detector mounted on a four-meter “Nicholas U. Mayal” telescope in Kit Peak, Arizona. Containing 5,000 optical fibers, it captures images of light coming from Earth from space, covering about a third of the entire sky.

The detector searches for waves in the distribution of galaxies known as baryonic acoustic oscillations, which are synchronized in the distribution of matter during the first millions of years after the Big Bang.

By measuring the distance between these waves at different times in the history of the universe, astronomers can determine whether the acceleration of the expansion of the universe is constant or has changed over time.

This knowledge is essential to understanding the mysterious dark energy that is believed to represent 70% of the universe and the driving force behind its expansion.

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