Degree in a Book: Cosmology

A Degree in a Book: Cosmology is the perfect introduction to cosmology, astronomy and astrophysics. Written by one of NASA''s leading astronomers and educators, this book provides you with the essential foundations for understanding the science behind the universe we live in.

It will help you answer questions such as:
• How do we know the universe is expanding?
• What is the theory of relativity?
• ...