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Luna 9
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''Luna 9'', internal designation ''Ye-6 No.13'', was an unmanned space mission of the Soviet Union's Luna programme. On 3 February 1966 the ''Luna 9'' spacecraft became the first spacecraft to achieve a soft landing on the Moon, or any planetary body other than Earth, and to transmit photographic data to Earth from the surface of another planetary body.
==Spacecraft==
The lander had a mass of . It used a landing bag to survive the impact speed of .〔(Astronautix )〕 It was a hermetically sealed container with radio equipment, a program timing device, heat control systems, scientific apparatus, power sources, and a television system.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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