Tuesday, April 8, 2014

ScienceDaily: Dark Matter News

ScienceDaily: Dark Matter News


BOSS quasars track the expanding universe: Most precise measurement yet

Posted: 07 Apr 2014 11:37 AM PDT

Scientists have made novel measurements of the structure of the universe when it was only about 3 billion years old, using quasars collected by the Baryon Oscillation Spectroscopic Survey (BOSS). Results include the most precise measurement of expansion since galaxies formed. BOSS, the largest component of the third Sloan Digital Sky Survey, pioneered the use of quasars to chart universal expansion and the role of dark energy.

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