The W. M. Keck Observatory is an astronomical observatory with two telescopes at an elevation of 4,145 meters (13,600 ft) near the summit of Mauna Kea in the U.S. state of Hawaii. Both telescopes have 10 m (33 ft) aperture primary mirrors, and, when completed in 1993 and 1996, they were the largest optical reflecting telescopes in the world. They are currently the third and fourth largest.
The Keck II telescope showing the segmented primary mirror
Keck Observatory closeup
Image: Kecknasa
Image: Keck Observatory 20071020
The W. M. Keck Foundation is an American charitable foundation supporting scientific, engineering, and medical research in the United States. It was founded in 1954 by William Myron Keck, founder and president of Superior Oil Company. The Foundation's net assets exceeded $1.3 billion at the end of 2019.
W. M. Keck Observatory at dawn, Mauna Kea, Hawaii
Old pumpjack in the W. M. Keck Foundation Gallery, Natural History Museum of Los Angeles County
The Keck Array at the South Pole observatory, Antarctica.