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D.C.B. Whittet W.A. Schutte A.G.G.M. Tielens A.C.A. Boogert Th.de Graauw P.Ehrenfreund P.A. Gerakines F.P. Helmich T. Prusti - E.F. van Dishoeck
The availability of SWS data from the Infrared Space Observatory is a landmark in the study of interstellar ices. This paper presents a brief review of what was known prior to the launch of ISO, and attempts a synthesis of what has been learned from the ISO observations available to date. Key areas of uncertainty are identified to provide a basis for future research.
Keywords:
ISM: molecules - dust, extinction -
Infrared: interstellar: lines -
Stars: pre-main sequence