Introduction to Astronomy Author:Cecilia Payne-Gaposchkin From the autrhor's preface: — This book is intended to introduce the elements of astronomy to the student and to the general reader who may have little background in mathematics or physics. — My chief reason for writing the book was a desire to give emphasis to stars and stellar systems as well as to the solar system, which usually occupies the ma... more »jor part of an elementary book. The greater part of modern astronomy is concerned with stars, and even an introductory text should reflect this emphasis.« less