Pictures of the Week: September 9 – 16, 2005

Dust and Gases
This reflecting cloud of dust and gas has two nearly symmetric cones of matter that are being ejected from a central star of Boomerang Nebula. Over the last 1,500 years, nearly one and a half times the mass of our Sun has been lost by the central star of the Boomerang Nebula in an ejection process known as bipolar outflow