i am aleksey semekhav, our house is a small land. in general, the planet where we live so comfortably surrounded by an environment that is completely uncomfortable for us, which, moreover, is able from time to time to remind of itself the earth. it can simply collide with other bodies located there, a collision with a steroid can have quite radical consequences for our civilization. the fact that in the memory of mankind, nothing too serious has happened. is it great luck or the result of some general rules, like in general, the world of near-earth asteroids is arranged. how many of them, how they behave and what are their intentions regarding us on earth today my guest is doctor of mathematical sciences and ph.d. russian academy of sciences natan andreevich eisman natan andreevich hello , thank you very much for taking the time to come to the studio. hello, thanks for inviting me. our topic today is, in general, our long-term well-being on earth in the environment. near-earth asteroids, but let's start with the fact that, generally