Photos: Astrophysicists unveil biggest-ever 3D map of Universe

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Photos: Astrophysicists unveil biggest-ever 3D map of Universe

It's the result of an analysis of around 4m galaxies & ultra-bright, energy-packed quasars

Published: July 20, 2020 08:45 AFP and compiled by Balaram Menon, Senior Web Editor

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Copy of 323768-01-02-1595220179571 — Geneva: Astrophysicists on Monday published the largest-ever 3D map of the Universe, the result of an analysis of more than four million galaxies and ultra-bright, energy-packed quasars. The efforts of hundreds of scientists from around 30 institutions worldwide have yielded a "complete story of the expansion of the universe", said Will Percival of the University of Waterloo in Ontario, Canada. Above: A computer animation image by the Swiss Federal Institute of Technology Lausanne (EPFL) shows a map of the universe in expansion. Image Credit: AFP

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Copy of 323763-01-02-1595220181898 — A computer animation image shows the Solar System, with stellar constellations. In the project launched more than two decades ago, the researchers made "the most accurate expansion history measurements over the widest-ever range of cosmic time", he said in a statement. The map relies on the latest observations of the Sloan Digital Sky Survey (SDSS), titled the "extended Baryon Oscillation Spectroscopic Survey" (eBOSS), with data collected from an optical telescope in New Mexico over six years. Image Credit: AFP

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Copy of 323765-01-02-1595220188316 — A computer animation image shows the Milky Way galaxy, with the location of the Sun. The infant Universe following the Big Bang is relatively well known through extensive theoretical models and observation of cosmic microwave background - the electromagnetic radiation of the nascent cosmos. Studies of galaxies and distance measurements also contributed to a better understanding of the Universe's expansion over billions of years. Image Credit: AFP

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Copy of 323767-01-02-1595220190302 — A computer animation image shows the Earth, with stellar constellations. Kyle Dawson of the University of Utah, who unveiled the map on Monday, said the researchers tackled a "troublesome gap in the middle 11 billion years". Through "five years of continuous observations, we have worked to fill in that gap, and we are using that information to provide some of the most substantial advances in cosmology in the last decade," he said. Image Credit: AFP

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Copy of 323764-01-02-1595220184071 — Astrophysicist Jean-Paul Kneib of the Swiss Federal Institute of Technology (EPFL) in Lausanne, who initiated eBOSS in 2012, said the goal was to produce "the most complete 3D map of the Universe throughout the lifetime of the Universe". For the first time, the researchers drew on "celestial objects that indicate the distribution of matter in the distant Universe, galaxies that actively form stars and quasars". Image Credit: AFP

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Copy of 323766-01-02-1595220186136 — The map shows filaments of matter and voids that more precisely define the structure of the Universe since its beginnings, when it was only 380,000 years old. For the part of the map relating to the Universe six billion years ago, researchers observed the oldest and reddest galaxies. Image Credit: AFP

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