Hubble has broadened our understanding of black holes

In its 30 years of service, the Hubble Space Telescope has given humanity incredible insight into black holes. NASA's Goddard Space Flight Center explains. -- What Are Black Holes?: https://www.space.com/15421-black-holes-facts-formation-discovery-sdcmp.html Videos and Images Credit: NASA Goddard Space Flight Center European Space Agency Music: “Transitions” by Ben Niblett [PRS] and Jon Cotton [PRS] via Atmosphere Music Ltd [PRS] and Universal Production Music.