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As artificial light forms a light cloud above the land, the excess light disrupts the clear pictures taken by the telescopes. On July 1, 2013, the Hawaii Night Sky Protection Act was initiated, affecting both the Big Island and Maui. A large difference between the Hawaiian islands and the mainland United States can be observed: street lighting.
Mauna Kea (/ ˌ m ɔː n ə ˈ k eɪ ə, ˌ m aʊ n ə-/, [6] Hawaiian: [ˈmɐwnə ˈkɛjə]; abbreviation for Mauna a Wākea) [7] is a dormant shield volcano on the island of Hawaiʻi. [8] Its peak is 4,207.3 m (13,803 ft) above sea level, making it the highest point in Hawaii and the island with the second highest high point, behind New Guinea, the world's largest tropical island with ...
The Haleakalā Observatory, also known as the Haleakalā High Altitude Observatory Site, is Hawaii's first astronomical research observatory. [1] It is located on the island of Maui and is owned by the Institute for Astronomy of the University of Hawaiʻi, which operates some of the facilities on the site and leases portions to other organizations.
This is a list of the highest astronomical observatories in the world, considering only ground-based observatories and ordered by elevation above mean sea level. The main list includes only permanent observatories with facilities constructed at a fixed location, followed by a supplementary list for temporary observatories such as transportable ...
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.
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 ...
The Yerkes Observatory glass tree is (probably) the tallest in the world The first Yerkes Observatory glass tree event took place in 2022. By that point, Mack had done his research on tall trees ...
Mauna Kea Observatories, Hawaii, USA: 1979 3.67 m AEOS Telescope (AEOS) 3.67 m (144 in) Single: USA: Air Force Maui Optical Station, Hawaii, USA: 1996 3.6 m Devasthal Optical Telescope [13] (DOT) 3.6 m (142 in) Single: India: ARIES Devasthal Observatory, Nainital, India: 2016 Telescopio Nazionale Galileo (TNG) 3.58 m (141 in) Single: Italy