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What is the largest spacecraft to perform an autonomous Earth orbit and retract?



  Photo of the Buran Space Shuttle's Only Launch
Roscosmos Federal Space Agency

Answer: Buran

Buran, Russian for "blizzard or blizzard," was the Soviet response to the US shuttle Program. The Buran program was short-lived, but it produced one of the most remarkable space-based achievements of the twentieth century. It was launched on November 1

5, 1988 and was the first successful launch and reentry of an autonomous spacecraft.

Buran invaded Earth orbit with the aid of an Energia rocket, orbiting the planet twice and returning to Earth without a successful runway without a runway, and the intervention of a single cosmonaut (since there was no one aboard). The landing was remarkably accurate, and despite the strong re-entry winds, Buran was only 9.8 feet to the side and 33 feet longitudinal from his projected landing.

Due to the collapse of the USSR, the Buran program was decorated with moths. In an unfortunate accident in 2002, the Buran itself was destroyed when a poorly maintained camp hanger collapsed. Buran is still the largest autonomous spacecraft ever developed (231,000 pounds at full payload) and was the only autonomous spacecraft for nearly 22 years. In April 2010, the Boeing X-37B became the second successful spacecraft Complete a fully autonomous Earth orbit and reentry.


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