Astronomer, planetary scientist, astrophysicist, exobiologist, education, public figure, sceptic - all these hats represent important parts of Carl Sagan's complex, multi-faceted career. Perhaps best known as the host of the popular television series, "Cosmos" Sagan offered to the world his extraord[...]
Presents the personal life, scientific accomplishments, and career of Carl Sagan, astronomer, educator, and public television series host.[...]