A branch of science that deals with the atmosphere of the Earth and the other planets with reference to their chemical composition, physical properties, relative motion, and responses to radiation from space
aeronomy
الواصلة
ae·ron·o·my
النطق
علم أصول الكلمات
[ "a(-&)r-'ä-n&-mE, ] (noun.) 1957. See aero- (“air”) and -nomy (“a system of rules or laws about a particular field”).