On this day in space! Aug. 8, 1977: Soviet Union’s Salyut 5 reconnaissance space station burns up in Earth’s atmosphere

On Aug. 8, 1977, the Salyut 5 house station fell out of house and burned up in Earth’s environment.

Salyut 5 was a Soviet space station and a part of the highly-secretive Almaz military space station program. It launched in 1976 and housed two crew of cosmonauts as they carried out navy experiments and different scientific analysis in orbit. Initially, 4 crewed missions have been speculated to go to Salyut 5. Nevertheless, the third crew was unable to dock their spacecraft and needed to return house.

The fourth mission needed to be canceled as a result of Salyut 5 was beginning to run low on propellant for its important engines and perspective management system. Salyut 5 could not be refuelled, so it was deorbited and left to deplete in Earth’s atmosphere.

A diagram of a Soviet Almaz space station, such as Salyut 3 and Salyut 5.

A diagram of a Soviet Almaz navy house station, reminiscent of Salyut 3 and Salyut 5. Salyut 5 was the final of the secretive house station sequence. (Picture credit score: NASA)

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