April 16, 2013
History Tuesday: The Invention of Rockets
April has an important place in space history since two seminal events happened in this month. First, on April 12, 1961, Russian cosmonaut Yuri Gagarin became the first human in space, traveling aboard the Soviet spacecraft Vostok I to an altitude of 187 miles above the earth. Then, exactly twenty years later, on April 12, …
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