File:JWST Fine Guidance Sensor Engineering Test Unit 508185main fgs hires raw full.jpg

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Summary

Description	English: Fine Guidance Sensor Engineering Test Unit An engineering test unit of the Fine Guidance Sensor (FGS) about to undergo cryogenic testing at the David Florida Lab in Canada.
Date	26 September 2012
Source	https://www.nasa.gov/content/goddard/a-nirspec-tacular-view-of-nasas-webb-telescope-instrument
Author	nasa GODDARD

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