eclipse sighting black hole style

eclipse sighting black hole style
Space telescope Chandra observes remarkable Eclipse Of a Black Hole

Science Daily
http://www.sciencedaily.com/releases/2007/04/070412115254.htm
— Chandra observations of the galaxy NGC 1365 have captured a remarkable eclipse of the supermassive black hole at its center. A dense cloud of gas passed in front of the black hole, which blocked high-energy X-rays from material close to the black hole. This serendipitous alignment allowed astronomers to measure the size of the disk of material around the black hole, a relatively tiny structure on galactic scales