In 1990 the Hubble Telescope was launched into space, but the first pictures it sent back to earth were out of focus. Lucy Williamson talks to the engineer in charge of fixing it. Show more
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In 1990 the Hubble Telescope was launched into space, but the first pictures it sent back to earth were out of focus. Lucy Williamson talks to the engineer in charge of fixing it. Show more
The BBC's international radio station
