The main goal of the book is to introduce the reader to the world of spiral galaxies, how spirals were discovered, what they represent from a physical point of view, and what people have learned about the universe and the nature of galaxies in general from the study of spirals. …
Spiral galaxies are one of Nature's most majestic phenomena. Like huge pinwheels spinning in the boundless expanse of space, spiral galaxies are signposts telling us the nature and the history of the universe. The grandeur of the spirals lies not in their stunning beauty, but al…
"The main goal of the book is to introduce the reader to the world of spiral galaxies, how spirals were discovered, what they represent from a physical point of view, and what people have learned about the universe and the nature of galaxies in general from the study of spirals.…
"This book introduces the reader to the fascinating world of spiral galaxies by describing what has been learned about the universe from the study of spirals. Beginning with the work of late 18th and early 19th century astronomers who observed and catalogued large numbers of neb…