Astronomers unveil largest-ever 3D map of universe after studying 4 million galaxies

Team Udayavani, Jul 21, 2020, 4:08 PM IST

Hundreds of scientists from around 30 institutions worldwide have published the largest-ever 3D map of the universe to date after compiling research on more than four million galaxies.

It was the result of an analysis of more than four million galaxies and ultra-bright, energy-packed quasars.

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.

The project was launched more than two decades ago and the researchers made an accurate expansion history measurements over the widest-ever range of cosmic time

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