“The fact that we can track this region of bright X-ray emission as it circles the black hole lets us track just how quickly material in the disk is spinning,” MIT’s Dheeraj Pasham, lead ...

Even if you're not taking spin rates into account, this black hole of one of only 20 others that have been spotted in the Milky Way Galaxy. The Indian Space Research Organisation's (ISRO ...

"Unexpectedly, we found that they were spinning too fast to have been formed by galaxy mergers alone. "They must have formed in large part from material falling in, growing the black hole smoothly ...