GP-BGravity Probe - B (experiment)
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Francis Everitt, who has led the GP-B project for decades.
Indeed, much of the long development of GP-B has gone to creating the gyroscopes and other technological wonders essential to making such fine measurements.
But convincing gravity specialists of the result's validity would be difficult, unless the GP-B team could rule out all sources of instrument error, says gravitation theorist M.
GP-B actually stands a better chance of finding a flaw in Einstein's prediction of geodetic precession.
Some people view this part of GP-B as the more important test," Will says.
GRAND FINALE For GP-B to have reached the launch site is nothing short of a miracle to many people.
Since then, GP-B has missed four rescheduled launch dates, in part because of technical problems.