for Hubble and the Big Bang by Paul Kupperberg
Hubble's discovery of the Big Bang is one of the most important in astronomy and physics. It taught us where the universe came from and how it might end. Students will learn how Hubble's early, unprecedented photographs of pulsars served as one of the first clues along the path that led him to the discovery of the Big Bang. Readers will also see how Hubble's discovery opened up new doors to information about the universe.
Publisher description retrieved from Google Books.