Figure 1
Paul Hooper at Spirit Design, with Mat Pieri and Gongbo Zhao, ICG

Figure 1: Visualization of the experiment carried out by the Baryon Oscillation Spectroscopic Survey (BOSS). Redshift data from 140,000 quasars collected by a 2.5-meter telescope at Apache Point, New Mexico, provide the most accurate measurement to date of the expansion rate of the Universe.