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Level Hard

Space race: before or after?

Sputnik or Gagarin? Hubble or the shuttle? Put the great moments of space exploration in order.

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Which came first?

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Timeline: Space race

Show all the dates (careful, it gives away the answers!)
  1. 1926 The first liquid-fuel rocket In the United States, Robert Goddard launches the first liquid-fuel rocket: its flight lasts two and a half seconds.
  2. 1957 Sputnik 1, the first satellite The USSR puts Sputnik 1 into orbit, a metal ball that circles the Earth in 96 minutes.
  3. 1961 Yuri Gagarin in space Yuri Gagarin is the first human to travel into space: one full orbit of the Earth in 108 minutes.
  4. 1963 Valentina Tereshkova in space Valentina Tereshkova becomes the first woman in space, aboard the Vostok 6 spacecraft.
  5. 1969 The first steps on the Moon Neil Armstrong and Buzz Aldrin walk on the Moon during the Apollo 11 mission.
  6. 1977 The launch of Voyager 1 The Voyager 1 probe sets off to explore Jupiter and Saturn. Today it is the most distant human-made object.
  7. 1981 The space shuttle The shuttle Columbia lifts off for the first time: it is the first reusable spacecraft.
  8. 1990 The Hubble Space Telescope The Hubble telescope is placed in orbit and photographs very distant galaxies.
  9. 1998 The International Space Station The first piece of the International Space Station is launched. Astronauts have lived there without a break since 2000.
  10. 2012 The Curiosity rover on Mars The Curiosity rover lands on Mars and sets off to explore the red planet.

Illustrations: Wordiloo, royalty-free.