PART ONE The Kremlin Embankment in Moscow. Grand Kremlin Palace. The building and exposition of the Space Pavilion at VDNKh. Visitors at the mock-ups of the Vostok spacecraft and the lunar rover. The correspondent is interviewing visitors (synchronously). Rockets at the Baikonur cosmodrome. Takeoff of the rocket. Spacecraft designer O. G. Ivanovsky says (synchronously) about the launch of the first artificial satellite. Monument to K.E. Tsiolkovsky. Moon in the sky. Chronicle. Academician S.P. Korolev at the transmitting device. Astronaut in open space. 1959. Flight of the first artificial satellite, the satellite gives signals. The launch of the Vostok-1 spacecraft from the Baikonur cosmodrome on April 12, 1961. Yuri Gagarin climbs into the cockpit of the ship, the face of Gagarin in a spacesuit in the cockpit of the ship. 1967-1986. Launch of the Proton rocket. The movement of the Soviet interplanetary station to the Moon. The first photograph of the far side of the moon. July 21, 1969. American astronauts on the moon. PART TWO Movement of motor vehicles along a Moscow street on a rainy day. Fragment of the feature film "Circus" with L. Orlova (1936). Chronicle. Session of space communication and information processing in the meteorological center. Pictures taken by the Meteor satellite. Pictures of the planets of the solar system taken by Soviet and American interplanetary automatic stations. View of the Earth from space. Flight of satellites in space. PART THREE Academician RZ Sagdeev gives an interview to a journalist. Television bridge between scientists of the USSR and the USA. The emblem of the international satellite rescue system "Sarsat-Cospas". Soviet satellite of the Cospas system in space. Receiving information from a satellite by a space communication station. Receiving SOS signals. Oil spills in the ocean, conflagration smoke recorded by the Sarsat-Cospas satellites. Expedition on the motor ship "Somov" to Antarctica. Information from satellite space communications about the ice situation around the "Somov", covered with ice (removed from "Sputnik-1500"). Icebreaker "Vladivostok" in the ice. The main center for receiving and processing information from space communications. The head of the center, Yu.A. Afanasyev, talks about the structure of Sputnik-1500 (synchronously and behind the scenes). Parts 1, 3. 1984. Expedition of the space station "Vega" to Halley's comet. Preparing the station for flight. The work of the station in space. Rapprochement of the station with a comet. Parts 2, 3. Building of the Institute of Space Research of the USSR Academy of Sciences, Institute staff enter the building. Doctor of Science Strukov talks about the "Relic" experiment (synchronously and behind the scenes).