Planetary science of the Solar System to date retains a number of the obscurities and puzzles on the properties and the origins of its some objects. Author`s findings on this point are the essence of this brief book. It constitutes collected recent manuscripts of author as well as some appropriate fragments of his previous book "Numerical harmony in the Solar System" published at Russia in 2009. In Part I both known from and fully new his works collected. Part II contains some brief sections of his foregoing book. Appendixes 1 and 2 include the previously unknown harmonic relation of the Sun to other stars and author`s planetary classification of the Solar System in terms of the defunct planets. From highly specialized astronomy books that differs in the width of coverage of involved problems. In context of a harmonic associations author look at various issues relevant to the past and present of planetary objects of the Solar System such as terrestrial and giant planets,...