There are many worlds and many systems of Universes existing all at the same time, all of them perishable.

— Anaximander 546 BC

Sloan Digital Sky Survey

Largest Sky Map Revealed: An Animated Flight Through the Universe

Largest Sky Map Revealed: An Animated Flight Through the Universe. The first public data release from BOSS, the Baryon Oscillation Spectroscopic Survey. Led by Berkeley Lab scientists, the Sloan Digital Sky Survey's BOSS is bigger than all other spectroscopic surveys combined for measuring the universe's large-scale structure.