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Why Mauna Kea?. Mauna Kea, Hawaii. Mauna Kea 13,824 ft. Astronomers observe through Atmospheric windows. “Death Zone” (5,500m). highest living mammal (yak). Mauna Kea (4,215m). Llano do Hato (3,610m). onset of hypoxemia (3,500m). Mount Graham (3,191m). KAO cabin pressure (2,600m).
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“Death Zone” (5,500m) highest living mammal (yak) Mauna Kea (4,215m) Llano do Hato (3,610m) onset of hypoxemia (3,500m) Mount Graham (3,191m) KAO cabin pressure (2,600m) Denver (1,690m) Reaching for the Stars Water Vapor sea level
Comfort Zone Location, Location, Location...
Adaptive Optics can be made to work... University of Hawaii/NSF Adaptive Optics System - Hokupa’a
V-band 0.6 arcsec 2.2um (K) Hokupa’a ON Adaptive Optics at workGlobular Cluster NGC6934 • V (0.55um) band • FWHM of 0.6” • K (2.2um) band • ~120 exposures totaling 23min • FWHM of 0.09” Gemini Optical Image
Light Pollution in the US Image from the National Oceanic and Atmospheric Administration
Earth at Night Image from the International Dark Sky Association
One advantage of being on the ground - collecting area & cost UKIRT $2.00M GEMINI HST 8 meters $440M 2.4 meters $1.75M
Atacama Desert, 18,000 ft Images from NASA’s Nomad Test Expedition
21st Century Ground-Based Observatory -- 50m Class Telescope