Hubble Uncovers Concentration of Small Black Holes

Astronomers on the hunt for an intermediatemass black hole at the heart of the globular cluster NGC 6397, found something they werent expecting: a concentration of smaller black holes lurking there instead of one massive black hole. Read more: For more information, visit Video credit: NASA s Goddard Space Flight Center Paul Morris: Lead Producer Music: Glass Ships by Chris Constantinou PRS and Paul Frazer PRS via Killer Tracks BMI and Universal Production Music. Visual Credits: Artists Impression of the Black Hole Concentration in NGC 6397 Video credit: ESA, Hubble, N. Bartmann Callout of the Black Hole Concentration in NGC 6397 Video credit: ESA, Hubble, N. Bartmann Artist Rendition of Gaia Spacecraft Image credit: ESA, C. Carreau This video can be shared and downloaded at While the video in its entirety can be shared without permission,