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Soyuz 38 was a
human spaceflight Human spaceflight (also referred to as manned spaceflight or crewed spaceflight) is spaceflight with a crew or passengers aboard a spacecraft, often with the spacecraft being operated directly by the onboard human crew. Spacecraft can also be ...
mission conducted by the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
during September, 1980. The
Soyuz Soyuz is a transliteration of the Cyrillic text Союз ( Russian and Ukrainian, 'Union'). It can refer to any union, such as a trade union (''profsoyuz'') or the Union of Soviet Socialist Republics (Сою́з Сове́тских Социалис ...
spacecraft brought two visiting crew members to the
Salyut 6 Salyut 6 (russian: Салют-6; lit. Salute 6), DOS-5, was a Soviet orbital space station, the eighth station of the Salyut programme. It was launched on 29 September 1977 by a Proton rocket. Salyut 6 was the first space station to receiv ...
space station, one of whom was an
Intercosmos Interkosmos (russian: Интеркосмос) was a Soviet space program, designed to help the Soviet Union's allies with crewed and uncrewed space missions. The program was formed in April 1967 in Moscow. All members of the program from USSR ...
cosmonaut from
Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...
.


Crew


Backup crew


Mission parameters

*Mass: 6800 kg *Perigee: 199.7 km *Apogee: 273.5 km *Inclination: 51.63° *Period: 88.194 minutes


Mission highlights

12th expedition to Salyut 6. 7th international crew. Carried Intercosmos cosmonaut from Cuba. The Soyuz 38 docking occurred in darkness. As the spacecraft approached Salyut 6, the crew on the space station could see only its “headlights.” Ryumin filmed ignition and operation of the transport's main engine. Arnaldo Tamayo Méndez of Cuba and Soviet cosmonaut Yuri Romanenko docked without incident. The purpose of the Soyuz 38 mission was to carry out nine experiments. They stimulated different areas of the brain to further understand the electrical activity in our brain. This was done using a customized helmet for each cosmonaut with silver electrodes and a tape recorder. The cosmonauts also wore special shoes to study the structure and motion of feet changes during weightlessness. They also collaborated with the Cuban Institute of Endocrinology and Metabolic Diseases to examine blood and urine samples throughout the entire launch, stay, and return to explore the psychological stress from preparation and working long hours under constant weightlessness. Another experiment they conducted was centered around studying changes in the levels of skeletal muscle structure. They used a Cuban made instrument to assess the adipose tissue and the stimulation of body fat. There was also a study on blood circulation, which sought to determine the impact weightlessness has on the human circulatory system. Tests had been carried out in previous flights and were repeated during this mission using a Chibis suit, a below-the-waist reduced-pressure device. Crew members completed exercise protocols wearing the Chibis to provide gravity-simulating stress to the body's cardiovascular/circulatory system and re-establishing the body's orthostatic tolerance after extended periods of microgravity. Negative pressure on the legs causes blood to accumulate in the lower extremities, which is the case in a gravity environment. Orthostatic intolerance has been a frequent complaint in humans returning from long-duration space flights. The other experiments attempted to study how cell division, the immune system, concentrations of antibodies and other proteins and minerals were affected after prolonged exposure to a weightless environment. This included measurements into the amount and rate at which humans lost water, fat, and other minerals.The cosmonauts also studied the growth of a single crystal of sucrose in the same environment.


See also

*
List of human spaceflights to Salyut space stations This is a chronological list of human spaceflights to the Salyut space stations. Prior to Salyut 6, flights were referred to by the designation of the Soyuz spacecraft that transported the crew to and from the station. Flights to Salyut 6 and Salyu ...
*
List of Salyut expeditions This is a chronological list of expeditions to the Salyut space stations. Initially these expeditions were not numbered, however the crews of Salyut 6 and Salyut 7 were numbered , where ''n'' is sequentially increased with each expedition to that p ...


References


External links


Soyuz 38 – NSSDC Id: 1980-075A
Crewed Soyuz missions Spacecraft launched in 1980 Spacecraft which reentered in 1980 Spacecraft launched by Soyuz-U rockets 1980 in Cuba 1980 in the Soviet Union Cuba–Soviet Union relations {{USSR-spacecraft-stub