Astronomers led by Dr Dheeraj Pasham at the University of Maryland have determined the mass of a black hole known as M82 X-1, which is located in the nearby irregular galaxy Messier 82. This composite image shows the nearby galaxy Messier 82. The intermediate-mass black hole M82 X-1 is the brightest object in the inset. Image credit: full-field – X-ray: NASA / CXC / JHU / D. Strickland; optical: NASA / ESA / STScI / AURA/ Hubble Heritage Team;...
