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How Big Is The Universe?

We all know that the universe is big. It’s very big…but just how large is it? Join Anthony as he discusses some pretty astounding new theories about the universe, and how we’re extremely close to finding out almost exactly how big it is.

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A 1-percent measure of galaxies half the universe away

“Researchers from the Baryon Oscillation Spectroscopic Survey (BOSS) today announced that they have measured the distance to galaxies more than six billion light years away to an unprecedented accuracy of just one percent.”

Universe Measured to One-Percent Accuracy: Most Precise Calibration Yet of Cosmic ‘Standard Ruler’

“The Baryon Oscillation Spectroscopic Survey (BOSS) Collaboration announced that BOSS has measured the scale of the universe to an accuracy of one percent.”

THE SLOAN DIGITAL SKY SURVEY QUASAR CATALOG. V. SEVENTH DATA RELEASE

“We present the fifth edition of the Sloan Digital Sky Survey (SDSS) Quasar Catalog, which is based upon the SDSS Seventh Data Release.”

The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: Baryon Acoustic Oscillations in the Data Release 10 and 11 galaxy samples

“We present a one per cent measurement of the cosmic distance scale from the detections of the baryon acoustic oscillations in the clustering of galaxies from the Baryon Oscillation Spectroscopic Survey (BOSS), which is part of the Sloan Digital Sky Survey III (SDSS-III).”

Scale of Universe Measured with 1-Percent Accuracy

“An ultraprecise new galaxy map is shedding light on the properties of dark energy, the mysterious force thought to be responsible for the universe’s accelerating expansion.”

Flat universe

“In a flat universe, all of the local curvature and local geometry is flat.”

The Geometry of the Universe

“The most profound insight of General Relativity was the conclusion that the effect of gravitation could be reduced to a statement about the geometry of spacetime.”

The Universe: Now Measured To 1 Percent Accuracy

“”One-percent accuracy in the scale of the universe is the most precise such measurement ever made,” says BOSS’s principal investigator, David Schlegel, a member of the Physics Division of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab).”

Universe measured to 1% accuracy



“This staggeringly precise survey – across six billion light-years – is key to mapping the cosmos and determining the nature of dark energy.”

Clocking an Accelerating Universe: First Results from BOSS

“Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change.”

BOSS Quasars Unveil a New Era in the Expansion History of the Universe

“Berkeley Lab scientists and their Sloan Digital Sky Survey colleagues use quasars to probe dark energy over 10 billion years in the past.”

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Are Parallel Universes Real?

TestTube Wild Card

New Black Holes Discovered

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