Christiaan, astronomer
| HUYGENS |
| Word | Clue |
|---|---|
| CARL | Sagan, astronomer |
| BRAHE | Tycho, astronomer |
| EDWIN | Hubble, astronomer |
| SAGAN | Carl, astronomer |
| EDMOND | Halley, astronomer |
| GERARD | Kuiper, astronomer |
| HALLEY | Edmond, astronomer |
| HUBBLE | Edwin, astronomer |
| KEPLER | Johannes, astronomer |
| KUIPER | Gerard, astronomer |
| CASSINI | Giovanni, astronomer |
| CHARLES | Messier, astronomer |
| MESSIER | Charles, astronomer |
| WILLIAM | Herschel, astronomer |
| GIOVANNI | Cassini, astronomer |
| HERSCHEL | William, astronomer |
| JOHANNES | Kepler, astronomer |
| NICOLAUS | Copernicus, astronomer |
| CHRISTIAAN | Huygens, astronomer |
| COPERNICUS | Nicolaus, astronomer |
| HAYDEN | Christensen, actor |
| SLATER | Christian, actor |