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  2. Mauna Kea Observatories - Wikipedia

    en.wikipedia.org/wiki/Mauna_Kea_Observatories

    The summit of Mauna Kea is so high that tourists are advised to stop at the visitor station for at least 30 minutes to acclimate to atmospheric conditions before continuing to the summit, and scientists often stay at Hale Pōhaku for eight hours or more before spending a full night at observatories on the summit, with some telescopes requiring ...

  3. W. M. Keck Observatory - Wikipedia

    en.wikipedia.org/wiki/W._M._Keck_Observatory

    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 (Keck I) and 1996 (Keck II), they were the largest optical reflecting ...

  4. Onizuka Center for International Astronomy - Wikipedia

    en.wikipedia.org/wiki/Onizuka_Center_for...

    A rough jeep trail was built in 1964 under Governor John A. Burns, and a small telescope determined that Mauna Kea would be an ideal place for an astronomical observatory. The Hale Pōhaku area was used as a construction camp for the building of the observatories through the 1970s, and the road realigned in 1975.

  5. W. M. Keck Foundation - Wikipedia

    en.wikipedia.org/wiki/W._M._Keck_Foundation

    W. M. Keck Observatory at dawn, Mauna Kea, Hawaii The Keck II telescope on Mauna Kea, Hawaii projects a laser beam into the night sky to form an artificial guide star for adaptive optics. The galactic plane of the Milky Way is visible in the sky to the right of the image. The stars are trailed in this 3 minute fixed camera exposure due to the ...

  6. Light pollution in Hawaii - Wikipedia

    en.wikipedia.org/wiki/Light_pollution_in_Hawaii

    The dark night sky over the island of Hawai'i, is a known tourist attraction with over 100,000 visitors every year. The visitors come to watch the night sky and participate in the stargazing program at the Mauna Kea Observatory. [17] Mauna Kea's sky is one of the darkest in the world. [4]

  7. Here Are The All-Time Record Cold Low Temperatures In All 50 ...

    www.aol.com/heres-time-record-cold-low-170000238...

    Hawaii is the only state to not record a subzero temperature: The coldest temperature recorded in Hawaii is 12 degrees at the Mauna Kea Observatory, at an elevation of 13,796 feet, on May 17, 1979.

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