Tofigh Heidarzadeh

The book describes the major physical theories of comets in the past two millennia. It describes the evolution of ideas about the nature, position, motion and constitution of comets. Unlike many works on the subject, this one focuses on details of each theory.

The book describes the major physical theories of comets in the past two millennia. It describes the evolution of ideas about the nature, position, motion and constitution of comets. Unlike many works on the subject, this one focuses on details of each theory.