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March 5, 2009
The Photoconductor Array Camera and Spectrometer (PACS) contains a camera and low to medium resolution spectrometer. It operates at wavelengths between 55 and 210 micrometres.

The opening of this infrared window by PACS to sensitive photometry and spectroscopy at high spatial resolution will address a wide range of key questions of current astrophysics concerning the origins of stars, planetary systems, galaxies, and the evolution of the Universe.

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