Contact: Dr Klaas Wiersema
University of Leicester
Caption: This is an artist's impression of the source HLX-1 (represented by the light blue object to the top left of the galactic bulge) in the periphery of the edge-on spiral galaxy ESO 243-49. This is the first strong evidence for the existence of intermediate mass black holes.
Credit: Heidi Sagerud
Usage Restrictions: Use only with credit.
Related news release: Extreme X-ray source supports new class of black hole