teded:On this day in 1961, Soviet cosmonaut Yuri Alekseyevich Gagarin became the first human being t
teded:On this day in 1961, Soviet cosmonaut Yuri Alekseyevich Gagarin became the first human being to travel into space.Happy International Day of Human Space Flight!From the TED-Ed Lesson Could we survive prolonged space travel? - Lisa NipAnimation by Bassam Kurdali -- source link
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