Wikipedia:Valued picture candidates/Image:Einstein gyro gravity probe b.jpg

 
Original - A fused quartz gyroscope for the Gravity Probe B experiment which differs from a perfect sphere by no more than a mere 40 atoms of thickness.
Reason
An informative image depicting an interesting subject with educational value. The image complies with all of the valued picture criteria.
Articles this image appears in
Sphere, Fused quartz, Gravity Probe B
Creator
NASA

Promoted Image:Einstein gyro gravity probe b.jpg --Intothewoods29 (talk) 07:01, 7 January 2009 (UTC)[reply]