North G. Mastering Astronomy 1988

Textbook in PDF format

A guide to astronomy which attempts to offer the most up-to-date information on the subject. Designed to be used for either individual study or classroom use, the book covers the GCSE syllabus requirements and relevant elements of physics, general science and general studies courses.
The celestial sphere
The Earth and time
The telescope
Modern developments
Gravitation
The Moon
The inferior planets
The planet Mars
The planet Jupiter
The planet Saturn
The twilight zone
The debris of the
The comets
The Sun
Electromagnetic
The stars
Stellar birth
Stellar death
Violent stars
The galaxies
Quasars, active galaxies and cosmology