Michael A. Stecker

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James Clerk Maxwell Telescope

The James Clerk Maxwell Telescope on Mauna Kea, Hawaii
The JCMT is the largest single-dish telescope in the world dedicated to detecting submillimetre radiation. Its 15-metre (50-foot) dish looks at the sky with instruments that tell us about the cold Universe in different ways. Operating between the infrared and radio waves, it uses some of the most sensitive and sophisticated instrumentation to detect the coldest material in the Universe, only a few tens of degrees above absolute zero. Water vapour in the Earth’s atmosphere intercepts this radiation, making the high and dry site of Mauna Kea vitally important for the research performed at the JCMT.
JCMT website: http://outreach.jach.hawaii.edu/articles/aboutjcmt/



Joint Astronomy Centre
(James Clerk Maxwell and United Kingdom Infrared Telescopes)
website: http://www.jach.hawaii.edu/JCMT/
photos from the web

Inside the James Clerk Maxwell Telescope dome -- rear view of dish (photo from)


The 15-meter dish inside the JCMT dome (photo from)


JCMT opened dome (photo from)


The Caltech, JCMT and other radio-dishes are to the left in "Millimeter Valley" , while Subaru, Keck I & II optical
telescopes are on the hill to the right on Mauna Kea, Hawaii (photo from)