155 years ago, on September 17, Konstantin Tsiolkovsky, one of the founding fathers of rocketry and astronautics, was born in the Russian province. One of his famous sayings goes: “Earth is the cradle of humanity, but one cannot live in a cradle forever”. Long before the beginning of the space era this Great Russian scientist derived a formula for space rockets’ overcoming the earth’s gravity. More.
Source: Roscosmos Facebook page.