Ghost-like black hole may have been discovered by UC Berkeley researchers - SFGATE

Ghost-like black hole may have been discovered by UC Berkeley researchers  SFGATEHubble Pins Down the Mass of a Potential Free-Floating Black Hole That's 5000 Light-Years Away  Universe TodayBerkeley-led astronomy team makes rare discovery: A free-floating black hole  San Francisco ChronicleAstronomers may have detected a 'dark' free-floating black hole  EurekAlertStellar “Ghost” Discovered: Astronomers May Have Detected a “Dark” Fr