of physics and thematic sciences director of the institute of physics of the earth named after ilyich schmidt of the russian academy of sciences member, correspondent of the russian academy of sciences sergey andreevich tikhonsky sergey andreevich hello, thank you very much for taking the time to come to the studio. hello. thank you invitation. the core is a hot core of the earth is a hot source of energy what well, you started with the most difficult question. you can say, but then it will be easy. well, the fact is that, in general, energy sources that determine the temperature distribution of thermal planet flow. they well, in general, it is not completely clear. well, in general, they say debatable. although of course, we have a general idea. well, here it is necessary to dance from the stove. yes, from how the earth and the solar system were formed in general. here we have the institute of eminent schmidt. here is her schmidt, his main contribution to geophysics. although he actually started as a mathematician gibralist . this is a cosmogonic theory, the modern dominant cold, like an org