A new discovery has resolved some of the mystery surrounding Omega Centauri, the largest and brightest globular cluster in the sky. Images obtained with the Advanced Camera for Surveys onboard the NASA/ESA Hubble Space Telescope and data obtained by the GMOS spectrograph on the Gemini South telescope in Chile show that Omega Centauri appears to harbour an elusive intermediate-mass black hole in its centre.

Credit: NASA, ESA and the Hubble Heritage Team (STScI/AURA)
Acknowlegement: A. Cool (San Francisco State Univ.) and J. Anderson (STScI)