SMM J2135-0102
= SMM J2135-0102
{wiki=SMM_J2135-0102}
SMM J2135-0102 is a distant quasar or active galactic nucleus that is notable for being one of the most luminous objects in the universe. It was discovered through observations of the submillimeter waveband and is located about 12.5 billion light-years away from Earth.