The Sky Belonged to Everyone is a human centered narrative biography of Carl Sagan, exploring how a curious boy from Brooklyn grew into one of the most influential voices explaining the universe. Through storytelling that blends science, philosophy, and personal reflection, the audiobook follows his journey from early fascination with the stars to groundbreaking planetary research and his global impact through Cosmos: A Personal Voyage. Rather than presenting science as distant or technical, the book reveals how Sagan helped millions feel connected to the cosmos while reminding humanity of its responsibility to protect the fragile world we share.