Astronomy

Автор: Edward S. Nolden
Издательство: Henry Hold And Company
Страниц: 352
Год: 1885
Размер: 13,3 МБ

THE present treatise is a condensed edition of the Astronomy of the American Science Series. The book has not been shortened by leaving out anything that as essential, but by omitting some of the details of practical astronomy, thus giving to the descriptive portions a greater relative extension.

The most marked feature of this condensation is, perhaps, the omission of most of the mathematical formulae of the larger treatise. The present work equires for its understanding only a fair acquaintance with the principles of algebra and geometry and a slight knowledge of elementary physics. The space which has beeo gained by these omissions has been utilized in giving a fuller discussion of the more elementary parts of the subject, and in treating the fundamental principles from various points of view.

A familiar and secure knowledge of these is essential to the students' real progress. The full index makes the work of value as a reference-book to a student who has studied it and put it aside...