Abstract
Recent submm observations of dust emission from star forming regions are presented and combined with NIR and IRAS data. The spectra cover the range 0.3 to 1300 µm and origin from ZAMS stars, compact H II regions, low-luminosity objects in dark clouds and external galaxies. The dust emission spectra are interpreted in terms of density and temperature distributions around central heating sources. In addition, general properties like IR luminosity, optical depth, wavelength dependence of dust opacity and, in the case of galaxies, star formation efficiency are discussed.
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