Talk given at IAU 8th Asian Pacific Regional Meeting, 2-5 July, 2002, Tokyo, Japan (to appear in its proceedings edited by S. Ikeuchi, J. Hearnshaw and T. Hanawa, published by Astronomical Society of the Pacific as the ASP Conference Series).
hep-ph/0209130

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Abstract. High energy neutrinos with energy typically greater than tens of thousands of GeV may originate from several astrophysical sources. The sources may include, for instance, our galaxy, the active centers of nearby galaxies, as well as possibly the distant sites of gamma ray bursts. I briefly review some aspects of production and propagation as well as prospects for observations of these high energy astrophysical neutrinos.

Table of Contents

• INTRODUCTION
• HIGH ENERGY ASTROPHYSICAL NEUTRINOS
• Production
• Propagation
• Prospects for observations
• CONCLUSION
• REFERENCES