X-ray view of the Galactic Centre by europeanspaceagency (via http://flic.kr/p/wDpVNr )
X-ray view of the Galactic Centre by europeanspaceagency (via http://flic.kr/p/wDpVNr )
X-ray view of the Galactic Centre by europeanspaceagency (via http://flic.kr/p/wDpVNr )