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The US space organization, NASA developed and built the first space shuttle. The shuttle was the first rocket to fly into space, come back to earth and fly again. The first shuttle to fly in space was Columbia. It took off on the 12th April 1981. In January 1986 the shuttle Challenger exploded at take-off. Everyone on the shuttle died. This accident slowed down the shuttle programme for the next six years. A new shuttle, Endeavor, replaced Challenger in May 1992.
On 25th April 1990, NASA used the shuttle Discovery to put the Hubble Space Telescope into space at a distance of 512 kilometres from the earth. Hubble travels around the earth and sends back photos of the stars and planets.
GLOSSARY
NASA – National Aeronautics and Space Administration
The numbers 12 th and 25 th, underlined in the text, are, respectively: