ASTRONOMY:
NASA Plans Earlier Hubble Rescue
David Malakoff
WASHINGTON, D.C.--For months, NASA has been weighing the possibility of losing its most productive science instrument, the Hubble Space Telescope, against the certainty of disrupting a carefully choreographed launch schedule involving its most important engineering mission, the international space station. Hubble won. NASA announced last week that it will mount a special space shuttle mission in October to replace failing gyroscopes that threaten to cripple the telescope's ability to do science.