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Loading contentThe Mauna Kea Observatories are a collection of independent astronomical research facilities located near the summit of Mauna Kea on the island of Hawaii.
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How Mauna Kea Observatories connects across Asteria Star — scientific, cultural, and astrological links are kept separate.
The W. M. Keck Observatory is an astronomical observatory on Mauna Kea, Hawaii, operating two of the largest optical and infrared telescopes in the world.
Visible light is the band the human eye sees and the traditional domain of optical telescopes.
Infrared light penetrates dust and reveals cool objects — forming stars, planets, and distant galaxies.
Submillimeter astronomy reveals the cold, dusty early stages of star and galaxy formation.
The Subaru Telescope, operated by Japan's NAOJ on Mauna Kea, is an 8.2-metre telescope renowned for wide-field imaging.
The James Clerk Maxwell Telescope on Mauna Kea is a 15-metre submillimeter telescope and a station of the Event Horizon Telescope.
The Submillimeter Array is an eight-antenna interferometer on Mauna Kea operated by the Smithsonian and Taiwan's ASIAA.
ALMA is an international radio observatory of millimeter and submillimeter antennas located on the Chajnantor plateau in the Atacama Desert of northern Chile.
Arecibo Observatory in Puerto Rico operated a 305-metre radio dish — for decades the largest single-dish radio telescope — until its collapse in 2020.
Cerro Tololo Inter-American Observatory in Chile is a NOIRLab site whose telescopes carried out the Dark Energy Survey.
The next-generation ground-based observatory for very-high-energy gamma rays, an array of imaging atmospheric Cherenkov telescopes being built across two sites — one in the northern hemisphere on La Palma and one in the southern hemisphere in Chile — to catch the faint blue flashes that gamma rays make in the atmosphere. The largest such observatory ever built.
A proposed United States third-generation gravitational-wave observatory with arms up to forty kilometres long — a scaled-up successor to LIGO that, with the Einstein Telescope, would open the distant gravitational-wave universe.
A proposed European third-generation gravitational-wave observatory, to be built underground in a triangle of ten-kilometre arms. Its far greater sensitivity would detect compact-binary mergers across most of the observable universe.
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Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.