File:Working on Hubble's Main Mirror in 1990 22 lg web.jpg

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English: Working on Hubble's Main Mirror (1990) Workers study Hubble’s main, eight-foot (2.4 m) mirror. Hubble, like all telescopes, plays a kind of pinball game with light to force it to go where scientists need it to go. When light enters Hubble, it reflects off the main mirror and strikes a second, smaller mirror. The light bounces back again, this time through a two-foot (0.6 m) hole in the center of the main mirror, beyond which Hubble’s science instruments wait to capture it. In this photo, the hole is covered up.
Date 25 December 1990 (upload date)
Source Working on Hubble's Main Mirror (1990)
Author NASA
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Date/TimeThumbnailDimensionsUserComment
current00:07, 18 October 2023Thumbnail for version as of 00:07, 18 October 20232,736 × 2,043 (1.24 MB)Don-vip (talk | contribs)hi-res from NASA
12:57, 1 November 2013Thumbnail for version as of 12:57, 1 November 2013800 × 533 (153 KB)Pline (talk | contribs)User created page with UploadWizard

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