  Lecture notes from 2005 SLAC Summer Institute.අඩවියෙන් බැහැර පිටු[සංස්කරණය]කළු කුහර හා සබැඳි මාධ්‍ය විකිමාධ්‍ය කොමන්ස් හි ඇත.Stanford Encyclopedia of Philosophy: "Singularities and Black Holes" by Erik Curiel and Peter Bokulich."Black hole" on Scholarpedia.Black Holes: Gravity's Relentless Pull - Interactive multimedia Web site about the physics and astronomy of black holes from the Space Telescope Science InstituteFAQ on black holes"Schwarzschild Geometry" on Andrew Hamilton’s websiteUT Brownsville Group Simulates Spinning Black-Hole Binaries සංරක්ෂණය කළ පිටපත 2015-09-12 at the Wayback MachineAdvanced Mathematics of Black Hole EvaporationVideos16-year long study tracks stars orbiting Milky Way black holeYale University Video Lecture: Introduction to Black Holes සංරක්ෂණය කළ පිටපත 2008-01-15 at the Wayback Machine at Google Video.Movie of Black Hole Candidate from Max Planck Institute සංරක්ෂණය කළ පිටපත 2006-09-04 at the Wayback MachineNews"Black Hole confirmed in Mi