File:Einstein cross.jpg
Fichièr d'origina (1 915 × 1 849 pixèl, talha del fichièr: 707 Ko, tipe MIME: image/jpeg)
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Descripcion[modificar]
DescripcionEinstein cross.jpg |
The European Space Agency's Faint Object Camera on board NASA's Hubble Space Telescope has provided astronomers with the most detailed image ever taken of the gravitational lens G2237 + 0305 — sometimes referred to as the Einstein Cross. The photograph shows four images of a very distant quasar which has been multiple-imaged by a relatively nearby galaxy acting as a gravitational lens. The angular separation between the upper and lower images is 1.6 arcseconds. العربية: تقاطع أينشتاين: أربع صور لنفس النجم الزائف البعيد (وذلك بفعل عدسة الجاذبية الناتجة عن المجرة الأقرب لنا، والظاهرة في المقدمة، وهي مجرة عدسة هاكرا). |
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Data | |||||
Font | http://hubblesite.org/newscenter/archive/releases/1990/20/image/a/ | ||||
Autor | NASA, ESA, and STScI | ||||
Permission (Reütilizacion d'aqueste fichièr) |
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Distinctions[modificar]
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Description from other version: An Einstein Cross reveals the presence of a huge gravitational lens in the distant reaches of the universe. Astronomers discovered this gravitational lens in 1985 using survey maps of the sky obtained with the Hubble Space Telescope (HST). The bright object at the center of the image is a distant galaxy. The four bright objects surrounding it are actually multiple images of a single quasar that lies far beyond the galaxy. The lens was named the Einstein Cross in honor of Albert Einstein, whose relativity theory predicted the phenomena decades before the first gravitational lens was observed in 1979.
This file has an extracted image: Einstein cross (cropped).jpg. |
Istoric del fichièr
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Data e ora | Miniatura | Dimensions | Utilizaire | Comentari | |
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actual | 15 decembre de 2010 a 07.39 | 1 915 × 1 849 (707 Ko) | Tryphon (discussion | contribucions) | Reverted to version as of 17:16, 26 January 2010: no need to compress it too much. | |
15 decembre de 2010 a 07.10 | 1 914 × 1 848 (205 Ko) | Materialscientist (discussion | contribucions) | JPG compression | ||
26 genièr de 2010 a 17.16 | 1 915 × 1 849 (707 Ko) | Tryphon (discussion | contribucions) | Cropped from http://imgsrc.hubblesite.org/hu/db/images/hs-1990-20-a-full_tif.tif. | ||
26 genièr de 2010 a 17.11 | 2 457 × 2 277 (353 Ko) | Tryphon (discussion | contribucions) | Higher resolution, from http://imgsrc.hubblesite.org/hu/db/images/hs-1990-20-a-full_jpg.jpg. | ||
13 junh de 2007 a 08.40 | 300 × 278 (12 Ko) | Markus Pössel (discussion | contribucions) | Image taken by Hubble Space Telescope; description at http://hubblesite.org/newscenter/archive/releases/1990/20/image/a/ Credit: NASA and ESA {{PD-Hubble}} |
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Paginas que contenon lo fichièr
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- User:Tryphon/Top 200 Hubble images
- File:EinsteinCross.jpg (redireccion de fichièr)
- File:Einstein cross (cropped).jpg
- File:Einstein ring.jpg (redireccion de fichièr)
- Category:Einstein Cross
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- Philosophy of science
- Gravitational lens
- Timeline of gravitational physics and relativity
- Faint Object Camera
- Introduction to general relativity
- Einstein Cross
- Wikipedia:Reference desk/Archives/Science/2013 September 16
- Wikipedia:Featured picture candidates/May-2019
- Wikipedia:Featured picture candidates/Einstein Cross
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Comentari de fichièr JPEG | STScI PRC90-20 Gravitational Lens G2237 + 0305 "Einstein Cross" FOC 8/90 Credit: NASA/ESA |
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