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What is the Hubble telescope?
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The Hubble Space Telescope is a reflecting telescope that orbits Earth as a satellite. It was launched by a space shuttle in 1990. Unfortunately, the main mirror, which is nearly 2.4 metres across, had a fault in its shape, and was not able to create clear images. It had to be repaired in space by a space shuttle astronaut. It now sends back amazing pictures of the stars, galaxies, and planets. | | The Hubble Space Telescope's on-board computers control its cameras and send pictures back to Earth. |
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Previous:
Back
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Book:
1001
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Section:
Space
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Chapter:
Space Exploration
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