A new method helps to measure cosmological distances more accurately phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
The Baryon Oscillation Spectroscopic Survey - BOSS - is the largest component of the third Sloan Digital Sky Survey (SDSS-III) and pioneered the use of quasars to map density variations in intergalactic gas at high redshifts, tracing the structure of the young universe.