File:Cumulative-absorption-spectrum-hubble-telescope.jpg
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| Description |
English: Illustrates cumulative absorption spectra observed by Hubble. A beam of light coming to Earth from a distant quasar passes through numerous intervening gas clouds in galaxies and in intergalactic space. These clouds of primeval hydrogen subtract specific colors from the beam. The resulting "absorption spectrum," recorded by Hubbles Space Telescope Imaging Spectrograph (STIS) is used to determine the distances and chemical composition of the invisible clouds. Français : Illustration des spectres d'absorption observés par le télescope spatial Hubble. Un faisceau lumineux provenant d'un lointain quasar passe à travers plusieurs nuages gazeux lors de son voyage dans l'espace. Ces nuages d'hydrogène primitif retirent certaines raies spectrales du faisceau. Le spectre d'absorption résultant, enregistré par le Space Telescope Imaging Spectrograph (STIS) de Hubble est utilisé pour déterminer la distance et la composition des nuages invisibles. |
| Date | |
| Source | http://hubblesite.org/newscenter/newsdesk/archive/releases/1998/41/image/r |
| Author | NASA/STScI |
| Permission (Reusing this file) |
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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/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:40, 21 August 2008 | | 800 × 600 (137 KB) | File Upload Bot (Magnus Manske) | {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|Illustrates cumulative absorption spectra observed by Hubble. Source: http://hubblesite.org/newscenter/newsdesk/archive/releases/1998/41/image/r Released to PD as per: http://hubblesite.o |
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