Of the approximately 100 Million galaxies in the visible universe, we see incredible variation.  We always try to classify them based on their shape, size, and peak radiation, but even then we still find others that stray from the usual patterns.  In recent years, a new class of galaxies named Extremely Luminous Infrared Galaxies (ELIRGs) has been found with data from the Wide Field Infrared Survey (WISE).  Now the king of the ELIRGs has been found, the most luminous galaxy in the universe. The galaxy, designated WISE J224607.57-052635.0, has a luminosity equal to 300 Trillion suns, and may owe its brightness...