The Moon observed using SCUBA-2, at wavelengths of 0.45 mm (top left) and 0.85 mm (top right), while the bottom left shows a combination of the SCUBA-2 images which give the temperature of the lunar surface, where red is warmest and the lower right shows a visible light image (Photo: University of British Columbia, Mike Kozubal)
While this image looks similar to the view through an optical telescope, SCUBA-2 is detecting the heat emitted from Jupiter and its moons, rather than reflected sunlight (Photo: University of British Columbia)
a SCUBA-2 map of part of our Milky Way galaxy at 0.85 mm (top), compared with an infrared picture of the same area (bottom) (Photo: Joint Astronomy Centre)
SCUBA-2 mounted on the James Clerk Maxwell Telescope on Mauna Kea, Hawaii (Photo: Joint Astronomy Centre)
A composite image of the Whirlpool Galaxy (also known as M51) - the green image from the Hubble Space Telescope shows the optical wavelength, while the submillimetre light detected by SCUBA-2 is shown in red (0.85 mm) and blue (0.45 mm) (Photo: Joint Astronomy Centre, University of British Columbia and NASA/HST/STScI)
Although it might sound like an oxymoron, the newly unveiled SCUBA-2 camera housed at the James Clerk Maxwell Telescope (JCMT) on Mauna Kea, Hawaii, is the world’s largest submillimeter camera. Submillimeter refers not to the physical size of the new camera itself, but to the submillimeter waveband between the far-infrared and microwave wavebands that the telescope observes. Being far more sensitive and powerful than its predecessor, SCUBA-2 will be able to map areas of the sky faster than ever before and provide information about the early life of stars, planets and galaxies.
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