File:BlackHole Lensing.gif
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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. |
| Da | 4 Ɔpɛpɔn 2006 (original upload date) |
| Beaɛ a ɛfiri | No machine-readable source provided. Own work assumed (based on copyright claims). |
| Ɔtwerɛfoɔ | No machine-readable author provided. Alain r assumed (based on copyright claims). |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
  
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
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| This licensing tag was added to this file as part of the GFDL licensing update. |
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.
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- sɛ wo bɛ kyɛ – to copy, distribute and transmit the work
- to remix – Ma dwumadie no mfa
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- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Wobɛtumi ayi tumidie krataa a wopɛ
Kratafa ne ho abakɔsɛm
Mia ɛda/berɛ no so na hwɛ sɛnea krataa no baeɛ wo saa berɛ nom
| Da/Mmere | Tɔfabɔ | Akwan ahodoɔ | Odwumdini | Adwenkyerɛ | |
|---|---|---|---|---|---|
| nea ɛkɔ so | 01:43, 16 Ogyefuo 2006 | | 320 × 256 (12.35 MB) | Falcorian | |
| 22:42, 4 Ɔpɛpɔn 2006 |  | 320 × 256 (13 MB) | Alain r | Lensing by a black hole Effet de lentille gravitationnelle par un trou noir |
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