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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 6 SEPTEMBER 2002:

GMA ADR SUCCESSFULLY HELD AT MOOG
The GMA acceptance data review was successfully held at MOOG. The action items generated from this review are in-work. The GMA is due to arrive at Stanford on September 6th. The gyroscope acceptance test facility has been prepared to allow GMA/gyroscope testing at Stanford prior to integration of the GMA into the space vehicle. These preparations included spinning a flight-like gyroscope to high spin speed using a GSE Gas Management Assembly.

Photo: The GMA at MOOG

SPACE VEHICLE INTEGRATION CONTINUES
The third of 4 solar arrays successfully underwent first motion. A dewar hardware anomaly is in-work. The preliminary test indications suggest that the hardware is now working nominally and that there will be no effect on service. The next step is to start the 95 % helium fill of the dewar.

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