<p style="text-align:center" class="small"><br /> This composite of the giant barred spiral galaxy NGC 6872 combines visible light images from the European Southern Observatory’s Very Large Telescope with far-ultraviolet (1,528 angstroms) data
<p>The flow of hot gas toward a black hole has been clearly imaged for the first time in X-rays. The observations from NASA’s Chandra X-ray Observatory will help tackle two
<p> </p> <p style="text-align:center" class="small"> Centaurus A is a giant elliptical active galaxy 12 million light-years away. At its heart lies a black hole with a mass of 55 million suns. Now, the
<p>Amateur astronomy has a long history of discovery. In fact, it wasn’t so long ago that the amateurs had a better time of it than the professionals.</p> <p>In