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In 1975 several notable events happened in spaceflight such as the launch to Mars of the Viking orbiter/landers missions, the joint Apollo–Soyuz Test Project, and the Venera 9 Venus mission. *Viking 1 was launched on 20 August 1975 and Viking 2 was launched 9 September 1975. This orbiter/lander mission was to photograph Mars in detail and to find water and life on the surface. *The Apollo-Soyuz saw an end to the space race with the USA and USSR. The mission was launched between 15 July 1975 and 17 July 1975. *The Venera 9 mission was launched 8 June 1975 was another successful orbiter/lander mission. ==Launches== }} }} }} }} }} }} }} }} }} |} 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1975 in spaceflight」の詳細全文を読む スポンサード リンク
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