| COPERNICUS | Polish astronomer d. 1543 (10) |
| COPERNICAN | Con a prince in disguise of a Polish astronomer |
| NICOLAUSCOPERNICUS | Polish astronomer whose theory of the solar system was published in 1543 (8,10) |
| GALILEO | Italian astronomer, d. 1642 |
| HERSCHEL | German-born British astronomer, d. 1822 - European Space Observatory (8) |
| CELSIUS | Temperature scale named after a Swedish astronomer, d. 1744 (7) |
| PTOLEMY | Astronomer whose theory of Earth at the centre of the universe remained undisputed for some 1,400 years until Nicolaus Copernicus's model in 1543 (7) |
| ECK | German theologian: 1486-1543 |
| PARR | Catherine ___, wife of Henry VIII from 1543-47 (4) |
| WIFE | Henry VIII married his sixth on July 12, 1543 |
| BYRD | William, English composer and organist born in 1543 (4) |
| SUN | Nicolaus Copernicus (1473-1543) declared that the Earth moves around this |
| ROCQUE | Jean-Francois de la ___, Sieur de Roberval (The first lieutenant General of New France, from 1541 to 1543) |
| HOLBEIN | Hans ?, portraitist and court painter to Henry VIII who died in 1543 |
| HAGIA | ___ Sophia, 6th century church in Istanbul converted to a mosque in 1543 and turned into a museum in 1935 (5) |
| PERNICIOUS | Malevolent astronomer shunning company about moon of Jupiter (10) |
| HIPPARCHUS | Greek astronomer and geographer who founded trigonometry (10) |
| STARGAZING | Activity of astronomer and fans at premiere? (10) |
| SOMERVILLE | Mary -- (nee Fairfax), 1780-1872, Scottish mathematician and astronomer (10) |
| BINOCULARS | 17th Century astronomer Johannes Kepler invented what common seeing aid? (10) |
