Fichier:Astrospheres.jpg
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Fichier d’origine (1 000 × 750 pixels, taille du fichier : 352 kio, type MIME : image/jpeg)
Description
| Description |
English: The conditions necessary to make the heliosphere, namely the balance of an outward pushing stellar wind and the inward compression of surrounding interstellar gas is so common, that perhaps most stars have analogous structures, called astrospheres. Photographs of three such astrospheres are shown, as taken by various telescopes |
| Date | |
| Source | http://www.nasa.gov/mission_pages/ibex/multimedia/013112-briefing-materials.html |
| Auteur | NASA/ESA/JPL-Caltech/Goddard/SwRI |
Conditions d’utilisation
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This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag. |
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| Date et heure | Vignette | Dimensions | Utilisateur | Commentaire | |
|---|---|---|---|---|---|
| actuel | 25 septembre 2012 à 19:04 | | 1 000 × 750 (352 kio) | wikimediacommons>Stas1995 | User created page with UploadWizard |
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