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Question
When was the Hubble telescope launched?
When was the Hubble telescope launched?
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Solution
The correct option is B 1990
In 1990, the National Aeronautics and Space Administration launched into space an optical telescope called the Hubble telescope. It has a mirror of diameter 94 inches and is orbiting the earth at a height of 589 km. This telescope is still working and has helped to make important discoveries.
In 1990, the National Aeronautics and Space Administration launched into space an optical telescope called the Hubble telescope. It has a mirror of diameter 94 inches and is orbiting the earth at a height of 589 km. This telescope is still working and has helped to make important discoveries.
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