Keck I and II telescopes on Mauna Kea,Hawaii
Bildnummer 11880121
| The Keck telescopes. The Keck I (right,white) and Keck II telescopes on the dormant volcano Mauna Kea in Hawaii. Keck I was completed in April 1992,but its twin will not be operational until the end of 1996. They are the largest optical telescopes in the world. Each has a main mirror made of 36 1.8 metre hexagonal mirrors,forming a unique sur- face with a total diameter of 10 metres. Each of the 36 mirrors has a specific shape and is mounted on computer-controlled motors that maintain its correct position during use. Keck I and II will be used together as an optical interferometer,where the signals received by the two telescopes are combined in a computer for improved accuracy | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Espenak, Dr. Fred |
| Bildgröße: | 5026 px × 3543 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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