12 Sights in Hawaiʻi County, United States (with Map and Images)

Here you can find interesting sights in Hawaiʻi County, United States. Click on a marker on the map to view details about the sight. Underneath is an overview of the sights with images. A total of 12 sights are available in Hawaiʻi County, United States.

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1. Mauna Kea Observatory

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The Mauna Kea Observatories (MKO) are a number of independent astronomical research facilities and large telescope observatories that are located at the summit of Mauna Kea on the Big Island of Hawaiʻi, United States. The facilities are located in a 525-acre (212 ha) special land use zone known as the "Astronomy Precinct", which is located within the 11,228-acre (4,544 ha) Mauna Kea Science Reserve. The Astronomy Precinct was established in 1967 and is located on land protected by the Historical Preservation Act for its significance to Hawaiian culture. The presence and continued construction of telescopes is highly controversial due to Mauna Kea's centrality in native Hawaiian religion and culture, as well as for a variety of environmental reasons.

Wikipedia (EN)

2. Mauna Kea

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Mauna Kea is a dormant volcano on the island of Hawaiʻi. Its peak is 4,207.3 m (13,803 ft) above sea level, making it the highest point in the state of Hawaiʻi and second-highest peak of an island on Earth. The peak is about 38 m (125 ft) higher than Mauna Loa, its more massive neighbor. Mauna Kea is unusually topographically prominent for its height: its wet prominence is fifteenth in the world among mountains, at 4,207.3 m (13,803 ft); its dry prominence of 9,330 m (30,610 ft) is second in the world, only after Mount Everest. This dry prominence is taller than Mount Everest's height above sea level of 8,848.86 m (29,032 ft), and some authorities have labelled Mauna Kea the tallest mountain in the world, from its underwater base.

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3. United Kingdom Infra-Red Telescope

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United Kingdom Infra-Red Telescope derivative work: Fabian RRRR (talk); Pano_mauna_kea_2.jpg: Samuel Bouchard from Quebec City, Canada; / CC BY-SA 2.0

The United Kingdom Infra-Red Telescope (UKIRT) is a 3.8 metre (150 inch) infrared reflecting telescope, the second largest dedicated infrared telescope in the world. It is located on Mauna Kea, Hawai'i as part of Mauna Kea Observatory. Until 2014 it was operated by the Joint Astronomy Centre in Hilo. It was owned by the United Kingdom Science and Technology Facilities Council. UKIRT is currently being funded by NASA and operated under scientific cooperation between Lockheed Martin Advanced Technology Center, the University of Hawaii, and the U. S. Naval Observatory. The telescope is set to be decommissioned after completion of the Thirty Meter Telescope as part of the Mauna Kea Comprehensive Management Plan.

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4. UH 2.2m Telescope

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The University of Hawai'i 88-inch (2.24-meter) telescope—called UH88, UH2.2, or simply 88 by members of the local astronomical community—is situated at the Mauna Kea Observatories and operated by the University's Institute for Astronomy. It was constructed in 1968, and entered service in 1970, at which point it was known as "The Mauna Kea Observatory". It became one of the first professional telescopes to be controlled by a computer. The telescope was built with funding from NASA, to support Solar System missions, and is controlled by the University of Hawai'i. The success of the telescope helped demonstrate the value of Mauna Kea for astronomical observations.

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5. NASA Infrared Telescope Facility

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The NASA Infrared Telescope Facility is a 3-meter (9.8 ft) telescope optimized for use in infrared astronomy and located at the Mauna Kea Observatory in Hawaii. It was first built to support the Voyager missions and is now the US national facility for infrared astronomy, providing continued support to planetary, solar neighborhood, and deep space applications. The IRTF is operated by the University of Hawaii under a cooperative agreement with NASA. According to the IRTF's time allocation rules, at least 50% of the observing time is devoted to planetary science.

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6. Caltech Submillimeter Observatory

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The Caltech Submillimeter Observatory (CSO) was a 10.4-meter (34 ft) diameter submillimeter wavelength telescope situated alongside the 15-meter (49 ft) James Clerk Maxwell Telescope (JCMT) at Mauna Kea Observatories. It was engaged in submillimeter astronomy, of the terahertz radiation band. The telescope closed on September 18, 2015. As of April 2019, the telescope is set to be dismantled and its site remediated in the near future as part of the Mauna Kea Comprehensive Management Plan.

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7. Gemini North Telescope

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The Gemini Observatory is an astronomical observatory consisting of two 8.1-metre (26.6 ft) telescopes, Gemini North and Gemini South, which are located at two separate sites in Hawaii and Chile, respectively. The twin Gemini telescopes provide almost complete coverage of both the northern and southern skies. They are currently among the largest and most advanced optical/infrared telescopes available to astronomers. (See List of largest optical reflecting telescopes).

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8. James Clerk Maxwell Telescope

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James Clerk Maxwell Telescope A. Woodcraft (AdamW at en.wikipedia) / Public domain

The James Clerk Maxwell Telescope (JCMT) is a submillimetre-wavelength radio telescope at Mauna Kea Observatory in Hawaii, US. The telescope is near the summit of Mauna Kea at 13,425 feet (4,092 m). Its primary mirror is 15 metres across: it is the largest single-dish telescope that operates in submillimetre wavelengths of the electromagnetic spectrum. Scientists use it to study the Solar System, interstellar dust and gas, and distant galaxies.

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9. W. M. Keck Observatory

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W. M. Keck Observatory T. Wynne / JPL / Public domain

The W. M. Keck Observatory is a two-telescope astronomical observatory 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 were the largest astronomical telescopes in the world. They are currently the 3rd and 4th largest.

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10. Subaru Telescope

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Subaru Telescope is the 8.2-meter (320 in) flagship telescope of the National Astronomical Observatory of Japan, located at the Mauna Kea Observatory on Hawaii. It is named after the open star cluster known in English as the Pleiades. It had the largest monolithic primary mirror in the world from its commissioning until 2005.

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11. Canada-France-Hawaii Telescope

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The Canada–France–Hawaii Telescope (CFHT) is located near the summit of Mauna Kea mountain on Hawaii's Big Island at an altitude of 4,204 meters, part of the Mauna Kea Observatory. Operational since 1979, the telescope is a Prime Focus/Cassegrain configuration with a usable aperture diameter of 3.58 metres (11.7 ft).

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12. Thirty Meter Telescope

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Thirty Meter Telescope TMT Observatory Corporation / Attribution

The Thirty Meter Telescope (TMT) is an under-construction extremely large telescope (ELT) that has become controversial due to its planned location on Mauna Kea, on the island of Hawaii. The TMT would become the largest visible-light telescope on Mauna Kea.

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