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Why Mauna Kea?

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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Why Mauna Kea?

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  1. Why Mauna Kea?

  2. Mauna Kea, Hawaii

  3. Mauna Kea 13,824 ft

  4. Astronomers observe through Atmospheric windows

  5. “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

  6. Location, location, location….

  7. Comfort Zone Location, Location, Location...

  8. The inversion layer

  9. Adaptive Optics can be made to work... University of Hawaii/NSF Adaptive Optics System - Hokupa’a

  10. 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

  11. Light Pollution in the US Image from the National Oceanic and Atmospheric Administration

  12. Earth at Night Image from the International Dark Sky Association

  13. Mauna Kea at Night

  14. The Competition …..

  15. One advantage of being on the ground - collecting area & cost UKIRT $2.00M GEMINI HST 8 meters $440M 2.4 meters $1.75M

  16. Atacama Desert, Chile

  17. Atacama Desert, 18,000 ft Images from NASA’s Nomad Test Expedition

  18. 21st Century Ground-Based Observatory -- 50m Class Telescope

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