Paragraph 1, In 1981, a reusable spacecraft, called a space shuttle, was built., It was able to fly up into space and then zoom back down to Earth., When it returned to Earth, the pilot was able to land the spacecraft on a runway almost like an airplace., It glided down from space and landed on a runway, but it was a very long runway., Paragraph 2, In the thirty years between 1981 and 2011, different space shuttles carried astronauts up into space on many missions., The space shuttle was also used to bring research equipment and tools into space., The astronauts did many experiments to find out more about space., Scientists were especially interested in learning about what effect the lact of gravity would have on humans and other living things.

The Space Shuttle

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