Unique ultra-luminous infrared galaxy found: What makes it special?
An international team of astronomers has discovered an ultra-luminous infrared galaxy (ULIRG) behind a well-known quasar, H1413+117 or Cloverleaf.
An international team of astronomers has discovered an ultra-luminous infrared galaxy (ULIRG) behind a well-known quasar, H1413+117 or Cloverleaf.