Birth and life of stars / What I know
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On March 12 at 18:00 Moscow time, astronomer Dmitry Vibe will come to the PostNauka Control Room. We will talk with him about the birth of stars and planets. The broadcast is hosted by PostNauka Executive Director Liana Khapaeva. Support PostNauka — https://postnauka.ru/link/donate Some of the content: 1:18 How did we know that stars are born, live and die? 5:10 How did the first star appear and what was it like? 7:40 How can we determine the age of a star? 12:50 What will happen to the Sun? 15:30 How do stars die? 20:43 How do astronomical observations work? 22:26 How do we take pictures of stars? 25:33 What is interesting about the star Cassiopeia A? 28:30 Commercial break — announcement of a new lecture by Dmitry Vibe 31:12 Do we only see the past? 34:00 how much longer does Betelgeuse have left? 37:50 how do you know if a star has already died? 43:50 what is a lopsided pulsating star? 46:20 what is the Gould Belt? 54:30 stars are born, evolve and die in different ways; they change with each generation while preserving the original materials of their ancestors (variability and heredity). Are they alive according to Darwin? 55:50 do astrophysicists have amateur telescopes at home, and if so, how do they observe astronomical objects with them? 57:08 does the formation of planets from a protoplanetary disk depend on the star(s), its type and other parameters? 1:00:25 were all the heavy metals in the Earth's composition once synthesized by trips or could the Earth synthesize them itself? Where did gold, platinum, uranium, etc. come from on Earth? 1:02:15 I wonder if there are stars made entirely of helium and a little bit of hydrogen? 1:03:43 question from an envelope Dmitry Wiebe - Doctor of Physical and Mathematical Sciences, Head of the Department of Physics and Evolution of Stars at the Institute of Astronomy of the Russian Academy of Sciences https://postnauka.ru/author/wiebe Nucleosynthesis: how chemical elements appeared https://postnauka.ru/longreads/88762 Astrobiology https://postnauka.ru/video/77548 Watch all episodes here - • Playlist Follow us on social networks: VK: https://vk.com/postnauka FB: / postnauka Twitter: / postnauka Odnoklassniki: https://ok.ru/postnauka Telegram: https://t.me/postnauka
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