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Observing the universe in the submillimeter spectral region

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antiquus
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re: Observing the universe in the submillimeter spectral region
antiquus   5/11/2011 4:02:52 PM
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This is a great achievement. Perhaps a future article can describe the control system that can turn 2560 pixels into that high-resolution image you show on page 1? That is also a great achievement.

agk
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re: Observing the universe in the submillimeter spectral region
agk   5/8/2011 11:45:06 AM
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2500 litres of helium to cool the instruments to minus 271 deg C is un imaginable by me. But definitely the components will have very low thermal noise and the front end anlog stages to process their signals will have a high S/N ration and low noise figure and high dynamic range.

March 2015 Cartoon Caption Contest: Mountain Climbing
March 2015 Cartoon Caption Contest: Mountain Climbing
The mountain had formed millions of years before when two tektronix plates collided.
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