The twin telescopes at the W.M. Keck Observatory are the largest optical and infrared telescopes in the world. The telescopes are located atop Mauna Kea, a dormant volcano in Hawaii.
The twin telescopes at the W.M. Keck Observatory are the largest optical and infrared telescopes in the world. The telescopes are located atop Mauna Kea, a dormant volcano in Hawaii.
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