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Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 23 October 1998:

STANFORD HIGHLIGHT
Probe C was successfully removed from the flight dewar and is now being prepared for its return to the class 10 cleanroom. Once in the cleanroom, payload integration will begin. Photo1: Probe C (click to see Photo 2)

Telescope #3 has been retested at room temperature. By moving the position of the X axis DPA 0.080", the DPA light aperture was shown to be correctly ligned with its 2 incoming light beams. Photo2: Top of telescope

SPACE VEHICLE HIGHLIGHT
The Relativity Mission Solar Array Substrate Production Readiness Review (PRR) was successfully held at Composite Optics, Incorporated in San Diego, California. Composite Optics was given approval to proceed with fabrication of a development unit of the flight solar array panel substrate. Development facesheets have been cured, and test coupons are being prepared for shipment to LMMS for testing. After coupon testing, the flight substrates will be produced. Photo: LMMS engineer Shawn Shelton, Composite Optics engineer Ben Bowen, Composite Optics program manager Ed Kenniston and LMMS engineering lead Marc Campell reviewing the Relativity Mission solar array substrate design.

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