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A revolution similar to that brought by CCDs to visible astronomy
is still ahead in IR and submillimeter astronomy. There is
certainly no wavelength range which has, over the past several
years, seen such impressive advances in technology: large-scale
detector arrays, new designs for cooling in space, lightweight
mirror technologies. Scientific cases for observing the cold
universe are outstanding. Observations in the FIR/Submm range will
provide answers to such fundamental questions as: What is the
spectrum of the primordial fluctuations? How do primeval galaxies
look? What are the first stages of star formation? Most of the
international space missions that have been triggered by these
questions are presented in detail here. Technological issues raised
by these missions are reviewed, as are the most recent achievements
in cooling and detector technologies.
A revolution similar to that brought by CCDs to visible astronomy
is still ahead in IR and submillimeter astronomy. There is
certainly no wavelength range which has, over the past several
years, seen such impressive advances in technology: large-scale
detector arrays, new designs for cooling in space, lightweight
mirror technologies. Scientific cases for observing the cold
universe are outstanding. Observations in the FIR/Submm range will
provide answers to such fundamental questions as: What is the
spectrum of the primordial fluctuations? How do primeval galaxies
look? What are the first stages of star formation? Most of the
international space missions that have been triggered by these
questions are presented in detail here. Technological issues raised
by these missions are reviewed, as are the most recent achievements
in cooling and detector technologies.
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