File:BlackHole Lensing.gif
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BlackHole_Lensing.gif (320 × 256 pixeles, dimension del file: 12.35 MB, tip MIME: image/gif, looped, 150 frames, 1.5 s)
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Descrition
DescritionBlackHole Lensing.gif |
English: Animated simulation of gravitational lensing caused by a black hole going past a background galaxy. A secondary image of the galaxy can be seen within the black hole Einstein ring on the opposite direction of that of the galaxy. The secondary image grows (remaining within the Einstein ring) as the primary image approaches the black hole. The surface brightness of the two images remains constant, but their angular size varies, hence producing an amplification of the galaxy luminosity as seen from a distant observer. The maximum amplification occurs when the background galaxy (or in the present case a bright part of it) is exactly behind the black hole.
Français : Simulation animée de la lentille gravitationnelle causée par un trou noir passant en arrière-plan d'une galaxie. Une image secondaire de la galaxie peut être vue dans le trou noir de l' anneau d'Einstein dans la direction opposée à celle de la galaxie. L'image secondaire grandit (restant dans l'anneau d'Einstein) lorsque l'image principale s'approche du trou noir. La Brillance de surface des deux images reste constante, mais leur taille apparente varie, produisant ainsi une amplification de la luminosité de la galaxie vue d'un observateur distant. L'amplification maximale se produit lorsque la galaxie d'arrière-plan (ou, dans le cas présent, une partie brillante de celle-ci) est exactement derrière le trou noir. |
Date | 4 januar 2006 (original upload date) |
Fonte | No machine-readable source provided. Own work assumed (based on copyright claims). |
Autor | No machine-readable author provided. Alain r assumed (based on copyright claims). |
Autorisation
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copyright status anglesi
copyrighted anglesi
copyright license anglesi
inception anglesi
4 januar 2006
MIME type anglesi
image/gif
checksum anglesi
54968280b9898ae12094037f881ad437e5a58301
data size anglesi
12,951,779 byte
duration anglesi
1.500000000000001 Seconde
height anglesi
256 pixel
width anglesi
320 pixel
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Version de | Miniatura | Dimensiones | Usator | Comentarie | |
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actual | 01:43, 16 februar 2006 | 320 × 256 (12.35 MB) | Falcorian | ||
22:42, 4 januar 2006 | 320 × 256 (13 MB) | Alain r | Lensing by a black hole Effet de lentille gravitationnelle par un trou noir |
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