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Largest 3D Map of the Universe Ever Created: Astrophysicists Fill In 11 Billion Years of Our Universe’s Expansion History


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SciTechDaily

Sloan Digital Sky Survey (SDSS) July 20, 2020

The Sloan Digital Sky Survey (SDSS) released a comprehensive analysis of the largest three-dimensional map of the Universe ever created, filling in the most significant gaps in our possible exploration of its history.

“We know both the ancient history of the Universe and its recent expansion history fairly well, but there’s a troublesome gap in the middle 11 billion years,” says cosmologist Kyle Dawson of the University of Utah, who leads the team announcing today’s results. “For five years, 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.”

The new results come from the extended Baryon Oscillation Spectroscopic Survey (eBOSS), an international collaboration of more than 100 astrophysicists that is one of the SDSS’s component surveys. At the heart of the new results are detailed measurements of more than two million galaxies and quasars covering 11 billion years of cosmic time.

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July 20 2020

July 20 2020

July 21 2020

 

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