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Fixing Hubble

3 Dec 2018, 06:00 UTC
Fixing Hubble
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When Hubble Space Telescope was launched, it had a big problem: It couldn’t see very well. NASA had allowed it to fly with a flaw in its main mirror, which blurred its view of the cosmos. But 25 years ago this week, a crew of astronauts set out to fix the problem.

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