| ALGOL | Second-brightest star in the constellation Perseus, and the first known eclipsing binary (5) |
| LANSE | This site, on the northern tip of Newfoundland island, is one of the first known European settlements in the New World. Norse explorers established a large base there about the year 1000. The site was |
| BETEL | ___ geuse: Second brightest star in the constellation Orion (5) |
| TEMPO | This word means in Italian "rate of speed," in reference to music. The Italian, in turn, is derived from a Latin word meaning "time." The first known use is c. 1724. |
| ARIES | Constellation between Perseus and Pisces |
| DANAE | Mother of Perseus, and subject for Klimt and Correggio |
| PIERS | Allegorical narrative poem by English poet William Langland (c. 1370) that makes the first known literary reference to Robin Hood (5) |
| BETAS | Second-brightest stars in constellations |
| CANOPUS | Brightest star in the constellation of Carina and second brightest star in the night sky after Siriu |
| MIRFAK | Brightest star in the constellation Perseus also called Alpha Persei (6) |
| EXPLOSIVE | Gunpowder, in use by the 9th century in China and the 13th century in the West, was the first known |
| CARINA | Large southern constellation ( the Keel) containing Canopus, the second brightest star in the sky ( 6) |
| BETELGEUSE | Red supergiant that is the second brightest star in the constellation Orion (10) |
| HARVEY | William ___, the first known physician to recognise and demonstrate the circulation of blood in the human body (6) |
| DENEBOLA | The second brightest star in the constellation Leo (8) |
| BETACRUCIS | The second-brightest star in the Southern Cross, also called Mimosa (4,6) |
| CASTOR | Second-brightest star in the constellation Gemini, also called Alpha Geminorum (6) |
| AURIGA | Constellation between Perseus and Gemini whose brightest star is Capella (6) |
| TRIANGULUM | Small constellation in the northern hemisphere close to Perseus and Aries (10) |
| NORFOLK | County, location of Happisburgh, site of what is believed by scientists and archaeologists to be the first known human settlement in the UK and northern Europe (7) |
