View Full Version : Behind the Scenes at the Keck Observatory

2011-Mar-25, 03:40 PM
For about 300 nights out of the year, Mauna Kea on the Big Island of Hawaii is one of the best places in the world for ground-based astronomy. At an elevation of 4,205 meters (13,796 ft), the summit sits above a large portion of the Earth’s atmosphere, and usually, the sky is clear, calm and [...]

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