Fichièr:Helix Nebula.jpg
Talha d'aquesta previsualizacion: 648 × 600 pixèls. Autras resolucions : 259 × 240 pixèls | 519 × 480 pixèls | 830 × 768 pixèls | 1 106 × 1 024 pixèls | 2 212 × 2 048 pixèls | 7 059 × 6 535 pixèls.
Fichièr d'origina (7 059 × 6 535 pixèl, talha del fichièr: 14,11 Mo, tipe MIME: image/jpeg)
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Aqueste fichièr proven de Wikimedia Commons?. Las informacions que lo concernisson son afichadas çaijós (procedura). |
Descripcion
| Descripcion |
English: This colour-composite image of the Helix Nebula (NGC 7293) was created from images obtained using the the Wide Field Imager (WFI), an astronomical camera attached to the 2.2-metre Max-Planck Society/ESO telescope at the La Silla observatory in Chile. The blue-green glow in the centre of the Helix comes from oxygen atoms shining under effects of the intense ultraviolet radiation of the 120 000 degree Celsius central star and the hot gas. Further out from the star and beyond the ring of knots, the red colour from hydrogen and nitrogen is more prominent. A careful look at the central part of this object reveals not only the knots, but also many remote galaxies seen right through the thinly spread glowing gas.
This image was created from images through blue, green and red filters and the total exposure times were 12 minutes, 9 minutes and 7 minutes respectively. |
| Data | (released) |
| Font | http://www.eso.org/public/images/eso0907a/ |
| Autor | European Southern Observatory |
Publicat jos licéncia(s)
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This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
  Ce fichier est disponible selon les termes de la licence Creative Commons Attribution 4.0 International.
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| Data e ora | Miniatura | Dimensions | Utilizaire | Comentari | |
|---|---|---|---|---|---|
| actual | 29 setembre de 2012 a 10.46 | | 7 059×6 535 (14,11 Mo) | Stas1995 | User created page with UploadWizard |
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