Astronomy Picture of the Day . A Beautiful Boomerang Nebula . ... 28.12.2007 . ... STScI/ AURA ), ESA , NASA Explanation: This symmetric cloud dubbed the Boomerang Nebula was created by a high-speed wind of gas and dust blowing from an aging central star at speeds of nearly 600,000 kilometers per hour. ... Shining with light from the central star reflected by dust, the frigid Boomerang Nebula is believed to be a star or stellar system evolving toward the planetary nebula phase. ... December 2007 . ...