Quasar Quasar Burning Bright
 Quasar Quasar Burning Bright is a collection of seventeen scientific essays by Isaac Asimov. It was the thirteenth of a series of books collecting essays from The Magazine of Fantasy and Science Fiction. These essays were first published between May 1976 and September 1977. It was first published by Doubleday & Company in 1978. Its title is derived from the first line of William Blake's 1794 poem The Tyger.