Russia has been celebrating the 50th anniversary of the first human space flight when the Soviet cosmonaut Yuri Gagarin completed a single orbit of Earth.

俄罗斯将庆祝人类首航太空50周年，苏维埃宇航员尤里加加林完成第一次太空飞行任务。

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Russia proudly celebrated on Tuesday 50 years since rocketing Yuri Gagarin into the first human orbit.

俄罗斯本周二高调庆祝人类历史上首位宇航员尤里·加加林太空飞行50周年。

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Russia proudly marks 50 years since Gagarin orbit.

俄罗斯庆祝载人航天50年。

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In his "Space Project, " Vincent pays homage to the world's great centers of space exploration and study: Gagarin Cosmonaut Training Center in Russia, Mars Desert Research Station in Utah, various observatories and antenna arrays, and, most recently, the Ariane Space Center in French Guiana.

CNN: STORY HIGHLIGHTS

On April 12, 1961, Russia started the 20th century space race, sending its first cosmonaut, Yury Gagarin, into orbit for 108 hours aboard the Vostok spacecraft.

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