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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 21 FEBRUARY 2003:

SPACE VEHICLE IN FINAL PREPARATIONS FOR SPIN BALANCE
The space vehicle has been prepared for spin balance. Following the alignment of the space vehicle with the table, the vehicle was removed from the spin balance table, and the dewar was filled to 95% full. The vehicle has been returned to the spin balance table in preparation for the 95% full spin. The plan is to follow this spin with a 65 % full helium level spin.

Photo: The GP-B spacecraft outside the thermal vacuum chamber (taken from inside the chamber).

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