Desert Mirage
Numéro d’image : 11737532
| Desert Mirage. A large mirage glimmers in the heat of the desert sun,casting reflections of the mountains beyond it. A mirage is an atmospheric phenomenon caused by the differential heating of layers of air. As air warms up,it expands,and this affects its refractive index. Light rays slanting down from a cool layer of air to a hot layer (such as one in contact with hot ground) will be be refracted to a shallower angle. If the angle is sufficiently shallow,the light rays are refracted so that they appear to be reflected upwards. Therefore a mirage gives an image of the sky and any scenery behind it. Photographed in the Western Desert,Egypt | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Lovegrove, Damien |
| Taille de l’image : | 5183 px × 3449 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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