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Hubble gyros fixed after struggle
Astronauts have completed the most critical repair to the Hubble Space Telescope after a long struggle.
Mission specialists Mike Good and Mike Massimino put a refurbished pair of gyroscopes into the telescope after a new set refused to go in.
Besides the gyroscopes - to orient it precisely - Hubble got fresh batteries to ensure five more years of life.
Despite the setbacks, scientists said Hubble would function well, pointing to ever distant objects in the cosmos.