Ask an Explainer


Who was the very first person to leave Earth's atmosphere and what were they in?


Yuri Gagarin, a Russian Soviet pilot, was the first human to leave the Earth's atmosphere. On April 12, 1961 Gagarin flew a Vostok 1 spacecraft. Less than one month later, Alan Shepard, an American astronaut, became the first American in space

Categories: Gravity & Air