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Astrophysicist Boris Stern in the lecture hall "Living Word": 00:00 What is the Universe 02:17 Is the Universe eternal 06:28 How to imagine a finite Universe 11:43 How the Universe expands 15:56 What is the horizon of the Universe 18:18 How distance is measured 20:31 Why is space flat 22:39 Exponential expansion of the Universe 28:08 The mystery of dark energy 33:54 Map of the relic radiation 39:21 The size of the Universe in infancy 47:02 What is the Big Bang 48:50 The theory of many universes 51:56 The field of theoretical fortune-telling 53:22 Why is the Universe tuned to us 54:55 Are the laws the same in different universes 57:58 We do not have a theory of quantum gravity 01:01:33 Questions. Where did it all come from 01:04:24 Why we can't go back in time 01:05:00 Why dark matter predominates in the Universe 01:06:36 How universes branch off 01:10:48 Is time quantized 01:11:18 Dark energy does not depend on the expansion of the Universe 01:12:28 Why the Universe is closed 01:13:36 How long will the Universe last 01:15:51 How new matter can appear 01:18:08 What the collider will help to find out 01:23:20 Entropy 01:25:03 Is it possible to record other dimensions 01:33:44 Boris Stern reads poetry Lecture schedule on the website https://lectory69.ru/ #space #astrophysics