Related Clues:
- Late astronomer Carl
- See 12-Down
- 'Cosmos' series creator
- 'Cosmos' creator
- 'Broca's Brain' author
- 'Cosmos' host
- Host of TV's 'Cosmos'
- Carl of ''Cosmos''
- Star in astronomy
- "Contact" author Carl
- 'Contact' author Carl
- Astronomer Carl
- 'The Dragons of Eden' author
- 'Contact' astronomer
- 'Billions & Billions' author