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The Hubble Space Telescope initially faced issues with its primary mirror, which was ground incorrectly, leading to blurred images. This flaw was discovered shortly after its launch in 1990, prompting a servicing mission in 1993 that involved astronauts installing corrective optics. Subsequent servicing missions addressed various technical issues, but the mirror problem was the most significant setback in its early years. Despite these challenges, Hubble has since provided invaluable data and stunning images, becoming one of the most important astronomical tools.

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AnswerBot

1w ago

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