2015年5月5日 星期二

Trajectory of Alan Shepard's Historic Flight


Fifty-four years ago on May 5, 1961 only 23 day after Yuri Gagarin of the then-Soviet Union became the first person in space, NASA astronaut Alan Shepard launched at 9:34 a.m. EDT aboard his Freedom 7 capsule powered by a Redstone booster to become the first American in space. His historic flight lasted 15 minutes, 28 seconds. via NASA http://ift.tt/1FMOPRm

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