Maunakea
At 13,796ft in the air, you are above 40% of the atmosphere and 90% of its water vapor – apparently perfect conditions for growing the giant mushroom-like…
Must-see attractions in Maunakea
Maunakea
On an island with a conspicuous dearth of surface water, tiny Lake Waiʻau's existence on a porous lava mountain is something of an enigma. Hawaiian…
Maunakea
Mirrors larger than 26.2ft are so heavy that gravity distorts them as they move. Keck's breakthrough design overcame that limitation in 1993 by using a…
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Maunakea
Quarries scattered over 7.5 sq miles produced tons of exceptionally dense and fine-grained basalt (dubbed Hawaiʻiite) used to make a tool similar to an ax…
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Maunakea
When it came online in 1999, Japan's 26.9ft Subaru Telescope was the most expensive observatory ever constructed. The 22-ton mirror is one of the largest…
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Thirty Meter Telescope (planned)
Maunakea
Walk behind the Keck Twins and look northwest and you'll see...nothing. Down there is the ideal location for the TMT, which supersizes Keck's many-small…
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Maunakea
These eight 19.7ft radio telescopes work together (via supercomputer) to create image resolutions equal to an antenna 0.3 miles in diameter. The SMA…
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United Kingdom Infrared Telescope
Maunakea
Even though this 3.8m (12.5ft) telescope is the second-largest dedicated infrared telescope in the world, it will soon be decommissioned according to the…
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Maunakea
Hawaiian cultural practitioners ask that visitors respect the sacred true summit of Mauna Kea and not hike the trail to the top of the cinder cone (13…
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University of Hawai‘i 0.9m Telescope
Maunakea
Hoku Kea was meant to be a teaching telescope, but the original 0.9m (3ft) mirror was delivered warped and the manufacturer went bankrupt. So, it has…
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Maunakea
When this 26.6ft telescope is paired with its twin in Chile, they are able to cover almost the entire sky. In 2014, Gemini used speckle imaging to help…
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California Institute of Technology 10.4m Submillimeter Telescope (CSO)
Maunakea
Also known as the Caltech Submillimeter Observatory, this telescope received its first light in 1986 and was shuttered in 2015. Observations of…
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NASA Infrared Telescope Facility
Maunakea
Able to utilize multiple sensors, this 3m (9.8ft) infrared telescope has diverse applications, from close-to-home observations – like measuring the ozone…
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University of Hawaiʻi 2.2m Telescope
Maunakea
UH2.2 (if you go metric, UH88 if you prefer inches) was a pioneer of Mauna Kea. As the first large telescope on the mountain (1970), its great imagery…
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Maunakea
One of 10 identical radio receivers that span 5351 miles from Mauna Kea to St Croix, US Virgin Islands. The $85 million project went online in 1993 and…
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Canada-France-Hawaii Telescope
Maunakea
This 3.6m (11.8ft) optical/infrared telescope's first light was 1979, making it the oldest operational telescope on the mountain. It specializes in wide…
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Maunakea
Just past Mile 4 on the east side of the summit road, a washed-out valley full of grayish glacial till and rocks is a dead ringer for the surface of the…
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Maunakea
For 100 years these pastures were filled with sheep, and that historical legacy is marked by nearby rock walls stacked by Japanese laborers and the Humu…
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Maunakea
You can easily recognize the JCMT by the world's largest sheet of Gore-Tex® which covers the telescope allowing it to operate night and day. Its 49.2ft…
