Related Clues:

• TV's "Cosmos" creator
• Astronomer who wrote 'Pale Blue Dot'
• "The Dragons of Eden" Pulitzer winner
• Neil deGrasse Tyson mentor
• Author of Bonjour Tristesse, d. 2004
• ''Contact'' author
• 'Broca's Brain' writer
• Pop astronomer Carl
• Cosmologist Carl
• Astronomer whose show won three Emmys and a Peabody
• "Billions & Billions" author Carl
• Carl who said "billions and billions . . ."
• Author of ''Cosmos'' and ''Comet''
• "Broca's Brain" author
• Carl who influenced Neil DeGrasse Tyson