How are chemical elements distributed among different types of planets? What affects this? What chemical composition has the Earth and another stone planets? What compositions can have exoplanets? The lecturer is Sergei Popov, astrophysicist, PhD (Physics and Mathematics), a leading scientist at the State Astronomy Institute named after P.K. Shternberg.

Fermi paradox: why the Universe is silent?
What is the Fermi paradox? Why don’t we see any footprints of extraterrestrial civilizations, which ought to have settled all across the Universe in the course of billions years of their evolvement? How do present-day scientists answer the question, raised by the physicist Enrico Fermi in 1950? How far life may spread across the Universe and is there any chance for us to ever discover it? How can technical civilizations like ours manifest themselves? Will we be able to discover planets with the Earth-type atmosphere in the observable future, and which search methods will most likely result in discovering of the extraterrestrial life? This is what Sergei Popov elaborates on. He is an astrophysicist, PhD (Physics and Mathematics), a leading scientist at the State Astronomy Institute named after P. K. Shternberg.

English subtitles —  Вячеслав Пшеничнов.

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