How old was Yuri Gagarine's when he left?

Answer 1

Yuri Gagarin was the first human to circle the earth in an orbiting spacecraft.

He was 27 years old at the start of the mission. He was also 27 years old at the

end of the mission, since he was only off the ground for 1 hour and 48 minutes.

That single spaceflight was the only one he ever made.

Answer 2

Yuri Gagarin was 27 years old when he became the first human to travel into space on April 12, 1961, aboard the Vostok 1 spacecraft.