Click Here to Read: What are intermediate-mass black holes? We’ve detected puny, stellar-mass black holes. And we’ve detected giant, supermassive black holes. But what about those in the middle? By Jake Parks on the Astronomy website on July 12, 2019. ‘
This image, taken with the European Southern Observatory’s Very Large Telescope, shows the central region of galaxy NGC1313. This galaxy is home to the ultraluminous X-ray source NCG1313X-1, which astronomers have now determined to be an intermediate-mass black hole candidate. Photo: NASA Goddard Space Flight Center from Greenbelt, MD, USA. Public Domain via Wikimedia Commons.