Like a BOSS, bro

The experiment is the Baryon Oscillation Spectroscopic Survey (BOSS), which is using the 2.5-meter (100-inch) Sloan Digital Sky Survey telescope.      The original Sloan survey compiled the most detailed three-dimensional map to date of a large swath of the universe. It used bundles of digital fibers to observe more than one million galaxies. The data included each galaxy's location on the sky and its distance from Earth.      A team of astronomers used the observations of how galaxies are d