Gravity Probe B gyroscope rotor and housing

Made:
1992-1995 in Palo Alto
maker:
Stanford University

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Creative Commons LicenseThis image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Buy this image as a print 

License this image for commercial use at Science and Society Picture Library

Creative Commons LicenseThis image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Buy this image as a print 

License this image for commercial use at Science and Society Picture Library

Creative Commons LicenseThis image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Buy this image as a print 

License this image for commercial use at Science and Society Picture Library

Creative Commons LicenseThis image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Buy this image as a print 

License this image for commercial use at Science and Society Picture Library

Creative Commons LicenseThis image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Buy this image as a print 

License this image for commercial use at Science and Society Picture Library

Creative Commons LicenseThis image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Buy this image as a print 

License this image for commercial use at Science and Society Picture Library

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Housing for Gravity Probe B experiment gyroscope rotor.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Housing for gyroscope rotor from Gravity Probe B experiment.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Gyroscope rotor from Gravity Probe B experiment.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Gyroscope rotor and housing from Gravity Probe B experiment with case

Gravity Probe B was an experiment staged in orbit in 2004-05. It was the most precise test to date of Einstein's general theory of relativity - specifically, whether the Earth warps its local space-time.

The experiment was based on four rapidly spinning gyroscopes whose orientation against a guide star was monitored. Each gyroscope contained a ball made of fused quartz, coated with a thin layer of niobium. At the time, the balls were the most perfect spheres ever manufactured.

Details

Category:
Space Technology
Object Number:
2005-75
type:
instrument component
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • component - object
credit:
Stanford University
status:
Permanent collection

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