Human Spaceflight
9 questions tagged Human Spaceflight — spanning every one of the seven Ws.
When was the first person to walk in space?
Alexei Leonov performed the first spacewalk on 18 March 1965. He left the Voskhod 2 spacecraft for about 12 minutes.
When was the first woman to travel in space?
Valentina Tereshkova flew into space on 16 June 1963. She became the first woman to orbit Earth.
Why do astronauts float aboard the International Space Station?
They are in continuous free fall around Earth, which creates microgravity rather than true zero gravity.
When did the first woman travel into space?
Valentina Tereshkova became the first woman in space on 16 June 1963.
Where did the first human spacewalk take place?
The first human spacewalk took place outside the Voskhod 2 spacecraft in Earth orbit. It happened on 18 March 1965.
Whose name is attached to the first woman in space?
Valentina Tereshkova was the first woman to fly into space, aboard Vostok 6 in 1963. She remains a landmark figure in space history.
Whose name is attached to the first human to orbit Earth?
Yuri Gagarin was the first human to orbit Earth, on Vostok 1 in 1961. His flight lasted 108 minutes.
How do astronauts breathe aboard the International Space Station?
The station makes oxygen mainly by splitting water into hydrogen and oxygen through electrolysis. Carbon dioxide is removed with scrubbers, and some oxygen and water are recycled repeatedly.
How do space agencies keep astronauts safe from radiation?
They use shielding, mission planning, storm shelters, and radiation monitoring. The goal is to reduce exposure from solar storms and cosmic rays, which are much stronger outside Earth’s magnetic field.