Astronomy Picture of the Day . Symbiotic Star System R Aquarii . ... Credit: Anglo-Australian Telescope Board Explanation: Sometimes stars work together to create a spectacular display. Such is the case with the binary star system R Aquarii - a "symbiotic" star system. Here two stars, a variable giant and a white dwarf companion - create both a nebula and a jet . ... Publications with keywords: star system - symbiotic star . Publications with words: star system - symbiotic star . ...