Soviet space program

The Soviet space program (Russian: Космическая программа СССР, romanized: Kosmicheskaya programma SSSR) was the state space program of the Soviet Union. It was active from 1951 until the dissolution of the Soviet Union in 1991. Its goal was to explore space and show the Soviet Union's technology and science skills. The program was split among several groups led by important people such as Sergei Korolev and others.

The program started studying rockets in the 1920s and grew fast after World War II. In the 1950s, under Korolev's leadership, it achieved many firsts in space. The Soviet program launched the first satellite, Sputnik 1, and sent the first animal, a dog named Laika, into orbit in 1957. In 1961, the Soviet Union made history by sending the first human, Yuri Gagarin, into space.

The Soviet space program kept setting records. It sent the first woman into space, Valentina Tereshkova, in 1963, and performed the first spacewalk in 1965. The program also sent robots to explore the Moon, Venus, and Mars, landed the first rover on the Moon, and put the first space station, Salyut 1, into orbit around Earth. These achievements showed the Soviet Union's role as a leader in space during the Space Race with the United States.

Origins

Further information: Soviet rocketry

The idea of space exploration began in the Russian Empire before the First World War. A Russian scientist named Konstantin Tsiolkovsky wrote important papers about space travel a long time ago. He figured out how rockets could work in space. Another engineer, Yuri Kondratyuk, found a clever way for spacecraft to land on the Moon and return to Earth.

In the 1920s, the Soviet Union started testing small rockets. One of the first tests happened in 1928. A young engineer named Sergey Korolev became very interested in rockets and space travel. He worked with other scientists and engineers to build and test more rockets in the 1930s.

During World War II, Soviet scientists kept working on rockets. After the war, the Soviets learned from German rocket technology, which helped them build better rockets.

Main article: Gas Dynamics Laboratory

Main article: Sergey Korolev

Main article: Group for the Study of Reactive Motion

Main article: Reactive Scientific Research Institute

Main article: German influence on Soviet rocketry

Sputnik and Vostok

The Soviet space program began as part of the USSR's Five-Year Plans and got help from the military. The main designer, Korolev, dreamed of space travel but kept this secret while working on military projects. In 1951, the Soviets launched the first rocket carrying animals into space—two dogs named Dezik and Tsygan—which helped them learn more about keeping living things safe in space.

The R-7 rocket, which could carry a heavy load, became the base for Soviet space vehicles. After the United States said it would launch a satellite, Soviet leader Nikita Khrushchev agreed to support the Soviet plan. This led to the launch of the first Earth-orbiting satellite, Sputnik, and plans for missions with people and trips to the Moon. The Vostok spacecraft was made to carry people, with big dreams to send people to Mars in the 1960s.

Internal competition

The Soviet space program was different from the American space program. America had one main group called NASA. But the Soviet program had many groups. Each group was led by a different designer, like Korolev, Yangel, Glushko, and Chelomey.

These groups all wanted to be the best in space exploration. This competition sometimes caused delays and problems.

After early successes like the Sputnik Program and the Vostok Program, Korolev planned big projects. He wanted to build the Soyuz spacecraft and the N-1 rocket for trips to the Moon. But he was asked to work on closer missions instead. Other designers also worked on important projects, and the competition continued even after Korolev’s time.

Lunar missions

The "Luna" programme did many important things in space. In 1959, Luna 1 was the first probe to fly by the Moon. Luna 2 was the first object made by people to hit the Moon. Luna 3 sent the first pictures of the Moon’s far side back to Earth.

Later missions kept exploring the Moon. In 1966, Luna 9 landed softly on the Moon. Luna 10 became the first object made by people to go around the Moon. Other Luna missions brought back pieces of the Moon and sent rovers to explore the surface.

Venusian missions

The Venera programme helped us learn a lot about the planet Venus. Early missions like Venera 1, Venera 2, and Venera 3 had some problems, but Venera 3 was the first object made by humans to reach another planet when it landed on Venus in 1966. Later, Venera 7 in 1970 became the first spacecraft to send data back to Earth after landing on another planet.

Venera 9 and Venera 10 sent back the first pictures of Venus's surface in 1975. In 1981, Venera 13 made history by drilling into Venus's surface and taking the first color pictures, showing rocky ground. The Vega programme began in 1984 with Vega 1 and Vega 2, which each let a balloon into Venus's atmosphere along with a lander.

Martian missions

The first Soviet mission to explore Mars, Mars 1, was launched in 1962. It tried to fly by Mars and send back scientific data but lost contact before reaching the planet. In 1971, the Soviet Union launched Mars 2 and Mars 3. Mars 2 was the first spacecraft to reach the surface of Mars but was destroyed on impact. Mars 3 made history by achieving the first successful soft landing on Mars, but it stopped sending data after only 20 seconds.

Later missions, including Mars 4, Mars 5, Mars 6, and Mars 7, were launched between 1969 and 1973. Mars 4 and Mars 5 successfully flew by Mars and gathered important information. Mars 6 and Mars 7 did not successfully land.

Salyut space station

The Salyut programme was a series of missions that put the first space station in orbit around Earth. "Salyut" means "Salute." At first, the Salyut stations were used as research labs in space. Salyut 1, the first one, launched in 1971 and was mostly a civilian science mission.

As the Salyut program went on, later missions like Salyut 6 and Salyut 7 were built to let astronauts stay longer and do more complicated experiments. These stations helped make way for future Soviet and Russian space stations, including the Mir space station. The longest stay, on Salyut 7, was 237 days.

Program secrecy

The Soviet space program kept many details secret. Before Sputnik, the world’s first artificial satellite, the Soviet Union did not share much about its space projects. Announcements were often vague and hard to understand.

The secrecy helped protect important information and created a sense of mystery. Details about launches, cosmonauts, and spacecraft designs were not shared until later. This secrecy was influenced by the military, which used coded names to keep projects hidden. Despite the secrecy, the Soviet space program always showed its achievements in a positive way.

Projects and accomplishments

The Soviet space program worked on many exciting projects. Some of these included space stations like Almaz and Mir, satellites such as Cosmos and Sputnik, and spacecraft like Soyuz program and Vostok program. They also sent probes to study the Moon, Mars, and Venus.

The Soviet space program achieved many “firsts” in space exploration. In 1957, they launched the first satellite, Sputnik 1, into orbit. In 1961, Yuri Gagarin became the first person to travel into space. They also sent the first animals into orbit, the first person to sleep in space, the first woman into space, and the first crew to visit two space stations. These achievements showed how advanced their space technology was during that time.

Incidents, failures, and setbacks

Accidents and cover-ups

Main article: List of spaceflight-related accidents and incidents

The Soviet space program had some serious problems and failures. In 1961, a cosmonaut died in a training fire. In 1967, a Soyuz spacecraft crashed after a parachute problem, which was the first time someone died during a space mission. The Soviet Union tried to land humans on the Moon but failed four times with their N-1 rocket, which exploded each time after it took off. The United States landed humans on the Moon first in 1969.

In 1971, a Soyuz mission to a space station had a problem when it returned to Earth, and three cosmonauts died—the only people to die while actually in space. There were other close calls and launch failures over the years, but the Soviet Union kept working on its space goals.

Buran

The Soviet Buran program wanted to make spaceplanes like the US Space Shuttle. The first and only Buran flight in 1988 went well, orbiting Earth twice before landing safely. But the heat shield could not be used again, and with changes in politics and military plans, the program stopped soon after.

Polyus satellite

The Polyus satellite was planned to be a special tool in space, using a powerful laser. But during its only launch in 1987, the satellite’s guidance system failed, and the mission did not go as planned.

Canceled projects

The Soviet space program had many exciting plans that never happened. One was the Energia rocket, a big vehicle meant to carry heavy things into space. But without the spacecraft it would launch, the project stopped when the Soviet Union ended.

Other plans included big trips to Mars. Ideas ranged from rovers to explore Mars to missions to bring pieces of Mars back to Earth. There were also plans for a trip to the asteroid belt, called Vesta, and a brave journey past Jupiter and close to the Sun, named after the famous space thinker Tsiolkovsky. Even though these missions were never built, they show how far the Soviet space program wanted to go.

Main article: Energia rocket

Interplanetary projects

Mars missions

• Heavy rover Mars 4NM was going to be launched by the abandoned N1 launcher between 1974 and 1975.
• Mars sample return mission Mars 5NM was going to be launched by a single N1 launcher in 1975.
• Mars sample return mission Mars 5M or (Mars-79) was to be double launched in parts by Proton launchers, and then joined in orbit for flight to Mars in 1979.

Vesta

The Vesta mission would have had two identical probes to be launched in 1991. It would fly by Mars and then study four asteroids. At 4 Vesta a tool would be released.

Tsiolkovsky

The Tsiolkovsky mission was planned as a probe to be launched in the 1990s to fly by Jupiter and then pass close to the Sun. A version of this spacecraft might have been sent toward Saturn and beyond.

Legacy

After the dissolution of the Soviet Union, Russia took over most of the Soviet space program's tools and factories. Other countries like Kazakhstan and Ukraine also got some space tools, but they needed to work together to keep their programs running. For example, rockets built in Ukraine often needed parts from Russia and launches from Kazakhstan's Baikonur Cosmodrome. This teamwork continued through a group called the Commonwealth of Independent States's "Interstate Space Programme".