The technical mechanics of midpoints and the 90-degree dial are further explained on An Introduction to Cosmobiology , which details mathematical formulas used in the book. AstroAmerica
: Some modern readers, including noted astrologer Robert Hand , caution that Ebertin’s descriptions of outer planets (Uranus, Neptune, Pluto) can be overly negative or fatalistic. The technical mechanics of midpoints and the 90-degree
: A central tool of Cosmobiology, the 90-degree dial simplifies complex charts by condensing them based on planetary modalities (cardinal, fixed, and mutable), effectively treating all hard aspects as conjunctions for easier analysis. Midpoint Theory Midpoint Theory The text serves as an "encyclopedia
The text serves as an "encyclopedia of combinations," providing interpretations for: including noted astrologer Robert Hand
: It introduces a condensed astrological wheel that highlights hard aspects (conjunctions, squares, and oppositions) to simplify the identification of major life influences.