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Watch Vladimir Surdin's course "The Solar System and Life in the Universe" https://videoknigi.com/ This is a new popular science project "Living Books"! And in this lecture, astrophysicist Boris Stern talks about black holes. The recording was made in the summer of 2024 at an eco-farm in the Tver region. The lecture was given outdoors. Next to Boris Stern, you can see his beloved dog Lunka. 00:00 How a black hole was discovered 14:55 The birth of a black hole 19:32 What does the extinction of dinosaurs have to do with it 21:25 The merger of black holes and gravitational waves 30:34 Quasars and blazars 35:45 Image of a black hole 40:00 Lighthouses of the Universe 47:49 A poem about a black hole 50:29 Wormholes 52:22 What will a black hole become? 52:50 How to see a black hole 54:06 Interstellar 54:47 Is the Universe finite 57:21 The horizon of the Universe and the horizon of a black hole 58:34 String theory #stern #space