The Hubble Space Telescope's evidence of an "intermediate-sized" black hole about 6000 light-years away in the closest globular star cluster to our home planet. br br Credit: NASA's Goddard Space Flight Center, Paul Morris: Lead Producer. br Music Credit:br Tesseract by Cody Johnson [ASCAP] and Gina Kouyoumdjian [BMI] via Emperia Alpha Publishing [ASCAP], Emperia Beta Publishing [BMI], and Universal Production Musicbr Animation Credit:br Black Hole accreting material animation by Aurore Simmonet.