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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 22 FEBRUARY 2002:

SPACE VEHICLE IN PREPARATION FOR MODAL TEST
In preparation for the modal test, the space vehicle was transferred to the modal test stand in the B/159 Acoustic Cell. The first of three liquid helium transfers for modal test was completed. Following the third transfer the liquid helium level will be 95 %. Accelerometers are being instrumented on the vehicle. A non-critical test anomaly associated with the helium fill is in-work. A few straightforward changes associated with this anomaly are under review.

Photo: The GP-B Space Vehicle.

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