| Answer | Crossword Clue |
|---|---|
| COSMIC | Of interest to Carl Sagan |
| EDEN | "The Dragons of ..." (Carl Sagan book) |
| EDEN | "The Dragons of ..." (Carl Sagan novel) |
| THEYLAUGHEDATCOLUMBUS | Start of a quote by Carl Sagan |
| EDEN | "The Dragons of ..." (Carl Sagan Pulitzer-winner) |
| EDEN | "The Dragons of ..." (Carl Sagan book that won a Pulitzer Prize) |
| ASIMOV | Author whom Carl Sagan called "the greatest explainer of the age" |
