BlogArena

General blog about anything and everything of everyday's life.

26. Jun 2019

September 9, 2014
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What lit up the universe?

New research from UCL shows we will soon uncover the origin of the ultraviolet light that bathes the cosmos, helping scientists understand how galaxies were built. The study published in The Astrophysical Journal Letters by UCL cosmologists Dr Andrew Pontzen … Continue reading

November 21, 2012
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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 BOSS, the Baryon Oscillation Spectroscopic Survey, is mapping a huge volume of space to measure the role … Continue reading

December 5, 2011
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Pair of Black Holes ‘Weigh In’ At 10 Billion Suns, The Most Massive Yet

AUSTIN, Texas — A team of astronomers including Karl Gebhardt and graduate student Jeremy Murphy of The University of Texas at Austin have discovered the most massive black holes to date — two monsters weighing as much as 10 billion … Continue reading

June 17, 2011
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X-Ray Telescope Finds New Voracious Black Holes in Early Universe

ANN ARBOR, Mich.— Using the deepest X-ray image ever taken, a University of Michigan astronomer and her colleagues have found the first direct evidence that massive black holes were common in the early universe. This discovery from NASA’s Chandra X-ray … Continue reading

May 7, 2011
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Measuring the Distant Universe in 3-D

*Berkeley Lab-led BOSS proves it can do the job with quasars* The biggest 3-D map of the distant universe ever made, using light from 14,000 quasars — supermassive black holes at the centers of galaxies many billions of light years … Continue reading