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Back Close-up on Herschel Telescope Mirror

Close-up on Herschel Telescope Mirror


Date: 29 January 2008
Satellite: Herschel
Depicts: Telescope mirrors in close-up
Location: Cleanroom at ESTEC, Noordwijk, The Netherlands
Copyright: ESA

In this close-up view of the primary mirror of the Herschel telescope, the smaller secondary mirror and its support structure are seen reflected. Inside the reflection of the secondary mirror you look back at the primary mirror where at lower left its central hole can be seen through which the light will pass onto the spacecraft instruments.
Last Update: 1 September 2019
14-Apr-2026 12:17 UT

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