In other words, stellar black holes that approach each other too closely under certain circumstances can merge to form a more massive single black hole. This process might build objects that produce the peculiar colors of these X-ray glows. Japanese researchers led by Dr. Tsunefumi Mizuno at the University of Tokyo have reported results similar to Colbert and Mushotzky's. Dr. Takehishi Go Tsuru at Kyoto University and colleagues have found data supporting Ptak and Griffiths' work. Artist's impression of an intermediate-sized black hole.
Black holes emit no light.
An intermediate-sized black hole in the galaxy NGC1313 resides in the heart of the fiery ball, just above centre. Now's NewsAlert service and have the latest news in astronomy and space e-mailed directly to your desktop.