Aeronomy of the Middle Atmosphere

The reader may be surprised to learn that the word "aeronomy" is not found in many of the standard dictionaries of the English language (for exam­ ple. Webster''s International dictionary). Yet the term would appear to exist, as evidenced by the affiliations of the two authors of this volume (Institut d''Aeronomie, Brussels, Belgium; Aeronomy Laboratory, National Oceanic and Atmospheric Administra...