A Still From Chandra telescope

clipped from www.space.com This composite image of Chandra and Hubble Space Telescope data offers astronomers an opportunity to compare where the hotter, X-ray emitting gas appears in relation to the cooler material seen in optical wavelengths. The Chandra team found that the chemical abundances in the region of hot gas were like those in the wind from the central star and different from the outer cooler material. Although still incredibly energetic and hot enough to radiate X rays, Chandra shows the hot gas to be somewhat cooler than scientists would have expected for such a system.