About
In the Payload Hazardous Servicing Facility, part of the servicing equipment for the third Hubble Space Telescope Servicing Mission (SM-3A), STS-103, is given a black light inspection. The hardware is undergoing final testing and integration of payload elements. Mission STS-103 is a "call-up" due to the need to replace portions of the Hubble's pointing system, the gyros, which have begun to fail. Although Hubble is operating normally and conducting its scientific observations, only three of its six gyroscopes are working properly. The gyroscopes allow the telescope to point at stars, galaxies and planets. The STS-103 crew will not only replace gyroscopes, it will also replace a Fine Guidance — NASA KSC · 1999. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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