Arecibo Observatory,Puerto Rico
Bildnummer 12960909
| A panoramic view of the main antenna dish of the Arecibo Observatory in Puerto Rico. The large antenna reflector (305m in diameter) was the world's largest radio telescope for many years and is suspended in a natural hollow in the limestone scenery. The radio telescope's main feed can be seen above the antenna. The radome houses the Gregorian sub-reflector,which corrects for the non-parabolic shape of the main reflector. Surrounding the antenna is a ground screen designed to screen out terrestrial radio interference that would otherwise disrupt the operation of the telescope. Arecibo is also known for its use in the search for extraterrestrial intelligence (SETI). An example of the 38000 aluminium panels that form the reflecting surface is displayed at right. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Williamson, Mark |
| Bildgröße: | 7397 px × 4652 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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