| 100% | CARL | 4 | Sagan of "Cosmos" |
| 75% | CARL | 4 | Sagan of astronomy |
| 66% | TOPPER | 6 | Cosmo of early TV |
| 64% | EDEN | 4 | Sagan's "The Dragons of _____" |
| 63% | MANDALA | 7 | Visual symbol of cosmos in Hinduism and Buddhism |
| 63% | VODKA | 5 | Spirit of the cosmos? |
| 61% | EDEN | 4 | Sagan's Pulitzer-winning "The Dragons of ___" |
| 59% | EDEN | 4 | Carl Sagan's "The Dragons of ___" |
| 59% | LANG | 4 | Cosmo Gordon —, Archbishop of Canterbury from 1928-42 |
| 59% | ELAINE | 6 | Friend of Jerry, George and Cosmo |
| 58% | PELE | 4 | New York Cosmos star of the '70s |
| 57% | NYE | 3 | Astronomy student of Sagan's at Cornell |
| 57% | SETI | 4 | ___ Institute, home of the Carl Sagan Center |
| 56% | SAGAN | 5 | Carl of "Cosmos" |
| 56% | STARSTUFF | 9 | What we are made of, per Carl Sagan |
| 54% | COSMOS | 6 | Carl Sagan's popular US science show of 1980 |
| 52% | PALEBLUED | 9 | Carl Sagan book named after a famous photo of Earth |
| 52% | CARL | 4 | Sagan who hosted "Cosmos" |
| 51% | CARL | 4 | "Cosmos" astronomer Sagan |
| 51% | CARL | 4 | "Cosmos" author Sagan |
| 51% | CMARL | 5 | "Cosmos" author Sagan |
| 51% | SAGAN | 5 | Carl of "Cosmos" fame |
| 51% | CARL | 4 | Astronomer Sagan whose papers are archived in the Library of Congress |
| 49% | SAGAN | 5 | Author of ''Cosmos'' and ''Comet'' |
| 49% | PALEBLUEDOT | 11 | *Iconic photograph taken by Voyager 1 at the request of Carl Sagan |
| 48% | CARL | 4 | Sagan who hosted TV's "Cosmos" |
| 48% | CARL | 4 | Sagan who hosted the original "Cosmos" |
| 48% | CARL | 4 | Name on the cover of ''Cosmos'' |
| 48% | JACOBI | 6 | Emmy and Tony winner Sir Derek George ___, player of Cosmo Lang in "The King's Speech" (2010) |
| 46% | CARL | 4 | Astronomer Sagan who wrote "Cosmos" |